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th
e
co
n
v
er
g
e
n
ce
o
f
telec
o
m
m
u
n
icatio
n
an
d
co
m
p
u
ter
tec
h
n
o
lo
g
ies
f
o
r
d
ep
lo
y
i
n
g
t
h
e
b
u
s
i
n
es
s
p
r
o
ce
s
s
es
an
d
s
er
v
ice
s
o
f
an
o
r
g
an
izatio
n
[
1
9
-
20]
.
I
n
r
eg
ar
d
to
th
e
p
u
r
p
o
s
e
an
d
o
b
j
ec
tiv
e
o
f
t
h
e
s
t
u
d
y
,
t
h
e
f
o
llo
w
i
n
g
r
esear
c
h
q
u
e
s
tio
n
s
w
er
e
t
h
en
u
s
ed
f
o
r
g
u
id
i
n
g
th
e
s
tu
d
y
i
m
p
le
m
e
n
tat
io
n
.
R
Q1
.
W
h
at
ar
e
th
e
i
m
p
le
m
e
n
tatio
n
g
o
als o
f
t
h
e
I
S p
r
o
j
ec
ts
am
o
n
g
HE
I
s
in
I
n
d
o
n
es
ia?
R
Q2
.
W
h
at
p
er
ce
n
tag
e
o
f
t
h
e
I
SS
P
a
v
ailab
ilit
y
a
m
o
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g
HE
I
s
in
I
n
d
o
n
esia?
R
Q3
.
W
h
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p
er
ce
n
tag
e
o
f
t
h
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n
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tea
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v
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l
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en
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n
t
h
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I
S
p
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o
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ts
?
R
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.
W
h
at
p
er
ce
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tag
e
o
f
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h
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i
n
ter
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al
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d
g
et
allo
ca
tio
n
i
n
t
h
e
I
S p
r
o
j
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ts
?
R
Q5
.
W
h
at
is
t
h
e
s
u
cc
e
s
s
le
v
el
o
f
t
h
e
I
S p
r
o
j
ec
ts
?
T
h
e
p
ap
er
is
s
tag
ed
w
it
h
in
f
o
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r
s
ec
t
io
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s
.
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n
t
h
e
f
ir
s
t
s
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ctio
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,
th
e
p
ar
t
el
u
cid
ates
th
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r
esear
ch
p
r
o
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r
am
s
,
in
c
lu
d
i
n
g
th
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b
ac
k
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r
o
u
n
d
,
p
r
o
b
lem
,
p
u
r
p
o
s
e,
o
b
j
ec
tiv
e,
an
d
th
e
r
e
s
ea
r
ch
q
u
e
s
tio
n
s
.
T
h
e
r
esear
ch
er
s
t
h
e
n
d
e
m
o
n
s
tr
ate
th
e
m
e
th
o
d
o
lo
g
ical
p
o
in
ts
o
f
t
h
e
s
tu
d
y
,
i
n
clu
d
i
n
g
t
h
e
p
o
p
u
latio
n
,
p
r
o
ce
d
u
r
e,
s
am
p
li
n
g
,
d
ata
co
llectio
n
,
an
al
y
s
i
s
,
in
ter
p
r
etatio
n
,
an
d
th
e
in
s
tr
u
m
e
n
t
s
o
f
th
e
s
tu
d
y
i
n
t
h
e
s
ec
o
n
d
s
ec
tio
n
.
T
h
e
th
ir
d
s
ec
tio
n
s
h
o
w
s
t
h
e
r
esu
lts
an
d
its
d
is
c
u
s
s
i
o
n
s
.
L
a
s
tl
y
,
t
h
e
p
ap
er
is
co
n
clu
d
ed
b
y
th
e
f
o
u
r
t
h
s
ec
tio
n
.
2.
RE
S
E
ARCH
M
E
T
H
O
DS
Seq
u
en
t
iall
y
,
Fig
u
r
e
1
p
r
esen
ts
th
e
n
in
e
s
tag
e
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o
f
t
h
e
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t
u
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y
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h
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p
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latio
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m
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er
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l
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p
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t
s
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m
o
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g
ap
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im
a
tel
y
4
.
2
9
0
HE
I
s
.
T
h
e
d
ata
w
er
e
o
b
tain
ed
f
r
o
m
th
e
Hi
g
h
er
E
d
u
ca
tio
n
Da
tab
ase
o
f
t
h
e
Di
r
ec
to
r
ate
Gen
er
al
o
f
Hi
g
h
er
E
d
u
ca
tio
n
(
DG
HE
)
MRT
HE
an
d
A
S
C
I
I
-
I
,
i
n
t
h
e
y
ea
r
2
0
1
5
.
I
n
r
eg
ar
d
to
r
e
p
r
e
s
en
ti
n
g
an
d
to
leg
it
i
m
iz
i
n
g
t
h
e
p
o
p
u
latio
n
[
2
1
-
22]
,
co
n
s
id
er
in
g
t
h
e
r
esear
ch
r
eso
u
r
ce
s
[
2
3
]
an
d
th
e
k
e
y
i
n
f
o
r
m
a
n
t
p
o
in
ts
[
2
4
-
25]
;
th
e
p
u
r
p
o
s
iv
e
r
an
d
o
m
s
a
m
p
li
n
g
was
th
e
n
u
s
ed
in
t
h
e
s
tu
d
y
.
(
1
)
L
i
t
e
r
a
t
u
r
e
S
t
u
d
y
(
2
)
R
e
s
e
a
r
c
h
D
e
s
i
g
n
(
3
)
I
n
s
t
r
u
m
e
n
t
D
e
v
.
(
4
)
P
i
l
o
t
S
t
u
d
y
R
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s
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a
r
c
h
P
r
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m
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P
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R
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s
(
5
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n
s
t
r
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m
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R
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v
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s
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o
n
(
6
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D
a
t
a
C
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c
t
i
o
n
(
7
)
D
a
t
a
A
n
a
l
y
s
i
s
(
8
)
I
n
t
e
r
p
r
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t
a
t
i
o
n
(
9
)
R
e
p
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t
W
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n
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R
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s
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a
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n
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s
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a
r
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e
p
o
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t
Fig
u
r
e
1
.
P
r
o
ce
d
u
r
e
o
f
th
e
s
t
u
d
y
T
h
e
b
len
d
ed
s
u
r
v
e
y
w
as
t
h
e
n
p
u
r
p
o
s
el
y
s
elec
ted
to
o
b
tain
th
e
e
x
p
er
ien
ce
d
s
a
m
p
le
s
a
n
d
r
an
d
o
m
l
y
d
is
tr
ib
u
ted
in
to
t
h
e
s
elec
ted
s
a
m
p
les.
T
h
e
co
m
b
in
a
tio
n
ai
m
ed
to
en
s
u
r
e
t
h
e
s
p
r
ea
d
o
f
th
e
d
ata
d
is
tr
ib
u
tio
n
,
th
e
r
esp
o
n
s
e
r
ate
o
f
t
h
e
r
esp
o
n
d
en
t
s
,
an
d
th
e
q
u
alit
y
o
f
t
h
e
d
ata
[
2
2
,
2
6
-
27]
.
T
h
e
o
n
lin
e
q
u
esti
o
n
n
a
ir
e
w
as
s
en
t
to
ar
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d
1
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m
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d
r
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d
al
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o
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t
2
3
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p
ap
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ased
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n
es
w
er
e
d
is
tr
ib
u
ted
to
th
e
f
i
v
e
s
elec
ted
cities.
A
p
p
r
o
x
i
m
a
tel
y
2
9
6
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alid
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s
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s
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±
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r
esp
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e
r
ate)
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esp
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n
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h
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p
a
p
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-
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ased
(
±
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8
r
esp
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es)
s
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v
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s
.
T
h
e
in
s
tr
u
m
e
n
t
s
et
c
o
m
p
r
i
s
ed
o
f
th
r
ee
co
m
p
o
n
e
n
t
s
,
i.e
.
,
t
h
e
i
n
v
itatio
n
letter
,
r
e
s
ea
r
ch
o
v
er
v
ie
w
an
d
th
e
q
u
esti
o
n
n
air
e
p
ag
es.
T
h
e
f
ir
s
t t
w
o
p
ar
ts
w
er
e
s
p
ec
iall
y
d
ev
e
lo
p
ed
to
im
p
r
o
v
e
th
e
r
esp
o
n
s
e
r
ate
[
2
8
]
.
T
h
e
q
u
esti
o
n
n
air
e
p
ar
t
co
m
p
r
is
ed
o
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p
ite
m
s
.
T
h
e
f
ir
s
t
th
r
ee
ite
m
s
w
er
e
r
elate
d
to
d
em
o
g
r
ap
h
ic
in
f
o
r
m
at
io
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n
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f
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e
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x
p
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th
e
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S p
r
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j
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t p
er
f
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r
m
a
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p
in
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s
o
f
t
h
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r
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n
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ts
.
I
n
t
h
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ata
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tag
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3
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co
llected
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ata
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to
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x
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ilter
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ata)
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in
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Stati
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So
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Scie
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(
SP
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Data
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ase
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y
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d
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r
e,
in
t
h
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at
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ter
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r
ath
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t
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an
t
h
e
ex
a
m
i
n
atio
n
p
u
r
p
o
s
e
[
2
9
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esia
n
J
E
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E
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&
C
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m
p
Sci
I
SS
N:
2502
-
4752
Th
e
I
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fo
r
ma
tio
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S
ystem
P
r
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je
ct
P
r
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files
a
mo
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g
Un
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ities
in
I
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b
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kt
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)
867
3
.
RE
SU
L
T
S
AND
AN
AL
Y
SI
S
3
.
1
.
De
m
o
g
ra
ph
ic
I
nfo
r
m
a
t
io
n
T
h
er
e
ar
e
s
ix
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h
ar
ac
ter
is
tic
p
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o
f
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en
t
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,
i
n
clu
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g
t
h
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f
f
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y
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e,
in
s
t
itu
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ac
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,
ter
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ito
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ig
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r
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th
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o
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p
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m
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le.
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h
e
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r
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ir
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f
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m
atio
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in
t
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d
u
ca
ti
o
n
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ase
o
f
t
h
e
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M
R
T
HE
in
th
e
y
ea
r
2
0
1
5
,
f
o
llo
w
in
g
to
th
e
s
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o
n
d
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r
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o
in
t
s
.
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h
e
ai
m
w
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s
to
e
m
p
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asize
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i
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[
2
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.
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ig
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ase
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d
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ca
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ase
in
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co
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u
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5
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r
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t
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ig
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ate
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ig
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Evaluation Warning : The document was created with Spire.PDF for Python.
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u
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o
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r
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n
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o
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3
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2
.
P
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f
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O
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T
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I
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Sy
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P
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T
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th
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p
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,
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clu
d
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g
ai
m
s
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th
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ec
ts
,
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ailab
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o
f
th
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I
S
s
tr
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p
la
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(
I
SS
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,
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e
i
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en
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t
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ter
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,
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tio
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o
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t
h
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ter
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u
d
g
et,
an
d
lev
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l
o
f
t
h
e
I
S p
r
o
j
ec
t su
cc
ess
.
First,
ai
m
s
o
f
th
e
I
S
p
r
o
j
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ts
.
Mo
s
t
o
f
th
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s
a
m
p
led
p
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p
le
(
n
=2
0
1
; 6
8
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r
ev
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led
th
at
th
e
I
S
p
r
o
j
ec
ts
in
t
h
eir
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n
s
ti
tu
t
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s
ai
m
ed
to
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u
p
p
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th
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b
u
s
in
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s
s
f
u
n
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s
Fi
g
u
r
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8
.
Me
an
w
h
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th
e
m
a
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ial
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d
s
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ic
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m
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ted
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4
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±
1
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%)
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d
4
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±
1
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p
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p
le.
T
h
is
i
n
d
i
ca
tio
n
i
s
co
n
s
is
te
n
t
w
it
h
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in
d
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n
g
s
o
f
th
e
p
r
ev
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u
s
s
tu
d
ie
s
[
4
,
5
,
1
8
]
th
at
th
e
p
r
o
ject
i
m
p
le
m
e
n
tatio
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s
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in
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to
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v
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s
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s
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s
.
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a
v
e
f
o
c
u
s
ed
o
n
t
h
e
o
p
er
atio
n
al
f
u
n
ctio
n
s
;
b
u
t
t
h
e
r
est
h
a
v
e
b
ee
n
o
r
ien
t
in
g
to
t
h
e
m
a
n
a
g
er
ial
an
d
s
tr
ateg
ic
ai
m
s
.
Fig
u
r
e
8
.
A
i
m
s
o
f
th
e
I
S p
r
o
j
e
cts
Seco
n
d
,
av
ailab
ilit
y
o
f
t
h
e
I
SS
P
.
Ma
jo
r
ity
r
esp
o
n
d
e
n
ts
(
n
=2
4
3
;
±
8
2
%)
in
d
icate
d
th
at
t
h
eir
af
f
iliatio
n
s
h
a
v
e
I
SS
P
,
b
u
t
th
e
r
est
o
n
e
s
el
u
cid
ate
d
th
e
co
n
tr
ad
ictio
n
i
n
d
icatio
n
Fi
g
u
r
e
9
.
I
n
r
esp
ec
t
o
f
th
e
ess
e
n
tial r
o
le
o
f
th
e
p
la
n
n
in
g
t
o
w
ar
d
s
th
e
I
S p
r
o
j
ec
t p
er
f
o
r
m
an
ce
s
[
1
2
-
1
3
,
3
0
-
31]
,
th
e
I
SS
P a
v
ailab
ilit
y
ca
n
b
e
co
n
s
id
er
ed
f
o
r
esti
m
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tin
g
t
h
e
p
r
o
j
ec
t
p
e
r
f
o
r
m
a
n
ce
s
.
As
it
i
s
also
in
d
icate
d
b
y
t
h
e
p
r
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io
u
s
ca
s
e
s
tu
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ie
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9
,
14]
,
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e
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l
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s
t
h
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er
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R
e
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er
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at
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t I
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th
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ities
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n
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ed
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n
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er
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m
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T
h
e
s
a
m
p
led
r
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o
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d
en
ts
r
ev
ea
led
r
e
lativ
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er
ag
e
in
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icatio
n
Fi
g
u
r
e
1
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e
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e
r
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e
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i
g
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t
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en
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e
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ess
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o
u
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th
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t
tea
m
m
e
m
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er
s
ar
e
f
r
o
m
t
h
e
i
n
ter
n
al
i
n
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itu
tio
n
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d
t
h
e
l
o
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o
n
e
(
n
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d
escr
ib
ed
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at
th
e
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u
m
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er
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h
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ter
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al
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eo
p
le
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o
m
in
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te
(
>7
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th
e
p
r
o
j
ec
t
team
,
b
u
t
m
aj
o
r
ity
r
e
s
p
o
n
d
en
t
s
(
n
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7
,
±
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ex
p
r
ess
ed
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at
m
o
r
e
th
an
t
w
o
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ir
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o
f
th
e
p
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team
m
e
m
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er
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ar
e
f
r
o
m
t
h
e
in
s
tit
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tio
n
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e
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el
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es.
I
t
m
a
y
i
n
d
icate
th
at
t
h
e
h
u
m
a
n
r
eso
u
r
ce
a
v
a
ilab
ilit
y
o
f
t
h
e
I
S
p
r
o
j
ec
ts
am
o
n
g
t
h
e
s
a
m
p
led
in
s
t
itu
tio
n
s
i
s
i
n
th
e
s
u
f
f
icie
n
t
lev
el.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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Fig
u
r
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Av
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t
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Fig
u
r
e
1
0
.
I
n
v
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o
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h
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in
ter
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Fo
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th
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ca
tio
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s
o
f
t
h
e
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ter
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al
b
u
d
g
et.
As
it
is
p
r
esen
ted
b
y
F
ig
u
r
e
1
1
b
elo
w
,
t
h
e
h
i
g
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e
s
t
n
u
m
b
er
(
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8
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f
t
h
e
r
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en
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r
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at
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o
r
e
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n
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t
h
e
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t
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HE
I
s
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er
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f
u
n
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ed
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y
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e
i
n
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tit
u
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s
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er
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th
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le
ex
p
r
e
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ed
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h
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h
e
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ter
n
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et
allo
ca
tio
n
s
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e
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n
l
y
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n
d
er
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5
%.
I
t
ca
n
also
b
e
s
ee
n
th
at
t
h
e
m
o
r
e
th
a
n
h
a
lf
b
u
d
g
et
o
f
th
e
I
S
p
r
o
j
ec
ts
ar
e
also
f
r
o
m
t
h
e
in
t
er
n
al
f
u
n
d
i
n
g
,
as
it
w
as
el
u
ci
d
ated
b
y
al
m
o
s
t
2
1
0
(
±
7
1
%
)
s
a
m
p
led
p
eo
p
le.
R
etr
o
s
p
ec
tiv
el
y
,
th
i
s
in
d
ica
tio
n
m
a
y
b
e
a
p
r
o
o
f
o
f
th
e
Ku
n
ae
f
i
'
s
[
3
2
]
d
escr
ip
tio
n
s
th
at
m
o
s
t
p
r
o
j
ec
ts
h
av
e
b
ee
n
in
itiated
f
r
o
m
th
e
b
o
tto
m
-
u
p
in
itiati
v
e
f
o
r
m
o
r
e
th
a
n
th
r
ee
d
ec
ad
es
ag
o
.
He
d
escr
ib
ed
t
h
at
m
aj
o
r
ity
I
S
p
r
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ec
ts
h
av
e
d
o
n
e
b
y
t
h
e
i
n
s
t
itu
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s
th
e
m
s
e
lv
e
s
.
F
u
r
t
h
er
,
i
t
m
a
y
al
s
o
a
r
ea
s
o
n
ab
le
te
n
d
en
c
y
r
ef
er
r
in
g
to
t
h
e
ac
cr
ed
itatio
n
r
u
le
o
f
t
h
e
s
ec
to
r
in
th
e
co
u
n
tr
y
.
Fig
u
r
e
1
1
.
A
llo
ca
tio
n
s
o
f
t
h
e
i
n
ter
n
al
b
u
d
g
et
Fif
t
h
,
le
v
el
o
f
t
h
e
I
S
p
r
o
j
ec
t su
cc
ess
.
T
h
is
s
t
u
d
y
p
r
ese
n
t t
h
at
m
o
r
e
t
h
a
n
5
0
% o
f
th
e
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S p
r
o
j
ec
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u
m
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er
a
m
o
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g
HE
I
s
i
n
I
n
d
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r
e
ca
teg
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r
ized
w
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h
in
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as
it
w
a
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y
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th
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ig
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1
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.
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v
en
ap
p
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ate
l
y
h
al
f
o
f
t
h
e
s
e
s
a
m
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led
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eo
p
le
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
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n
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n
J
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f
t
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e
p
r
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iles
(
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e
I
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p
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.
Fig
u
r
e
1
2
.
Deg
r
ee
o
f
th
e
I
S p
r
o
j
ec
t su
cc
ess
I
n
b
r
ief
,
b
esid
es
th
e
I
S
p
r
o
j
ec
t
p
r
o
f
iles
ca
n
b
e
co
n
f
ir
m
ed
b
y
co
m
p
ar
i
n
g
w
i
th
t
h
e
r
esp
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n
d
en
t
p
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iles
,
th
e
f
in
d
i
n
g
s
p
r
esen
ted
h
er
e
ca
n
also
b
e
j
u
s
tif
ied
w
it
h
f
in
d
in
g
s
o
f
th
e
p
r
ev
io
u
s
s
t
u
d
ies.
Fo
r
ex
a
m
p
le,
th
e
in
ter
r
elatio
n
b
et
w
ee
n
t
h
e
I
SS
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ailab
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a
n
d
th
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p
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e
ct
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lev
el
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t
s
.
A
s
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s
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ev
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s
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d
ie
s
[
1
0
,
1
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,
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at
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e
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v
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y
to
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s
t
h
e
I
S
p
r
o
j
ec
t p
er
f
o
r
m
a
n
ce
s
.
I
n
ad
d
it
io
n
,
r
ef
er
r
in
g
to
t
h
e
r
esear
ch
c
o
n
tr
ib
u
tio
n
s
t
u
d
ies
[
3
3
]
,
b
esid
es th
e
f
i
n
d
in
g
s
m
a
y
co
n
tr
ib
u
te
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k
n
o
w
t
h
e
s
t
atu
s
o
f
t
h
e
I
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p
r
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j
ec
ts
am
o
n
g
HE
I
s
b
ased
o
n
p
er
s
p
ec
tiv
es
o
f
th
e
in
ter
n
a
l
p
r
o
ject
s
tak
e
h
o
ld
er
s
; o
f
co
u
r
s
e,
t
h
e
f
i
n
d
in
g
s
m
a
y
also
d
ep
en
d
o
n
s
e
v
er
al
li
m
ita
tio
n
s
o
f
t
h
e
s
tu
d
y
.
T
h
e
li
m
ita
tio
n
s
m
a
y
r
elate
to
th
e
e
m
p
lo
y
m
en
t
o
f
t
h
e
s
a
m
p
li
n
g
tec
h
n
iq
u
e,
r
esp
o
n
d
en
t
s
,
d
ata
co
ll
ec
tio
n
tec
h
n
i
q
u
e,
an
d
t
h
e
r
e
s
ea
r
ch
in
s
tr
u
m
en
t
s
i
n
th
is
s
t
u
d
y
.
T
h
er
ef
o
r
e,
th
e
o
t
h
er
s
tu
d
ie
s
m
a
y
e
x
p
r
ess
th
e
d
if
f
er
en
t
f
i
n
d
in
g
s
f
o
llo
w
i
n
g
to
t
h
e
ab
o
v
e
-
m
en
t
io
n
ed
li
m
itatio
n
p
o
in
ts
.
Mo
r
eo
v
er
,
th
e
f
u
r
t
h
er
s
t
u
d
ies
ca
n
b
e
p
er
f
o
r
m
ed
b
y
co
n
s
id
er
in
g
t
h
e
p
o
in
t
s
,
in
o
r
d
er
to
p
r
o
d
u
ce
th
e
ap
p
r
o
p
r
iate
f
in
d
i
n
g
s
.
4.
CO
NCLU
SI
O
N
T
h
e
I
S
u
tili
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ier
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ld
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h
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at
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r
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th
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l
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r
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tical
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ec
t im
p
le
m
e
n
tat
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s
m
a
y
also
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n
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u
s
ed
th
e
l
o
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s
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h
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s
t
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cid
ated
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e
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ess
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m
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g
t
h
e
HE
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s
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n
t
h
e
co
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n
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y
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in
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t
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th
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ter
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o
ld
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p
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s
p
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w
it
h
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f
o
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r
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s
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e
s
.
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h
at
is
th
e
ai
m
,
I
SS
P
av
aila
b
ilit
y
,
i
n
ter
n
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tea
m
in
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o
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e
m
en
t,
in
ter
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u
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g
e
t
allo
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,
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d
th
e
s
u
cc
e
s
s
le
v
el
o
f
th
e
I
S
p
r
o
j
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ts
.
T
h
e
f
i
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d
in
g
s
m
a
y
b
e
p
ar
t
o
f
th
e
co
n
s
id
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p
o
in
t
s
f
o
r
th
e
I
S
p
r
o
j
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t
s
tak
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o
ld
er
s
,
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n
th
e
co
n
tex
t
o
f
t
h
e
f
u
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th
er
p
e
r
f
o
r
m
an
ce
s
t
u
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ies.
T
h
e
f
u
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th
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s
t
u
d
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ar
e
r
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o
m
m
en
d
ed
to
co
n
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id
er
s
e
v
er
al
li
m
itatio
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s
o
f
t
h
is
s
tu
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y
f
o
llo
w
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n
g
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h
e
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ti
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n
s
o
f
th
e
s
a
m
p
li
n
g
tec
h
n
iq
u
e,
r
esp
o
n
d
en
t
s
,
d
ata
co
llectio
n
tech
n
iq
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e,
an
d
th
e
r
esear
c
h
in
s
tr
u
m
e
n
ts
o
f
t
h
e
s
t
u
d
y
.
RE
F
E
R
E
NC
E
S
[1
]
M
c
F
a
rlan
F
W
.
"
In
f
o
rm
a
ti
o
n
tec
h
n
o
lo
g
y
c
h
a
n
g
e
s
th
e
w
a
y
y
o
u
c
o
m
p
e
te:
Ha
r
v
a
rd
Bu
sin
e
ss
Re
v
ie
w
"
,
Rep
rin
t
S
e
rv
ice
;
1
9
8
4
.
[2
]
Kim
L
S
.
"
Co
n
v
e
rg
e
n
c
e
o
f
In
f
o
r
m
a
ti
o
n
T
e
c
h
n
o
lo
g
y
a
n
d
Co
rp
o
ra
te
S
trate
g
y
"
.
J
o
u
rn
a
l
o
f
th
e
Ko
r
e
a
Co
n
v
e
rg
e
n
c
e
S
o
c
iety
.
2
0
1
5
;
6
(6
):
1
7
-
2
6
.
[3
]
W
a
h
y
u
d
in
A
,
Ha
sib
u
a
n
ZA
,
e
d
it
o
rs.
"
Re
se
a
rc
h
c
las
si
f
ica
ti
o
n
in
stra
teg
ic i
n
f
o
r
m
a
ti
o
n
sy
ste
m
p
lan
n
in
g
d
e
v
e
lo
p
m
e
n
t:
A
c
rit
ica
l
re
v
ie
w
"
.
2
0
1
5
In
ter
n
a
t
io
n
a
l
Co
n
fer
e
n
c
e
o
n
S
c
ien
c
e
in
I
n
fo
rm
a
t
io
n
T
e
c
h
n
o
lo
g
y
(
ICS
IT
e
c
h
)
;
2
0
1
5
2
7
-
2
8
Oc
t.
2
0
1
5
.
[4
]
Š
tef
k
o
R,
F
e
d
o
rk
o
R,
Ba
č
ík
R.
"
T
h
e
Ro
le
o
f
E
-
m
a
r
k
e
ti
n
g
T
o
o
ls
in
Co
n
stru
c
ti
n
g
th
e
Im
a
g
e
o
f
a
Hi
g
h
e
r
Ed
u
c
a
ti
o
n
In
stit
u
t
io
n
"
.
Pro
c
e
d
i
a
-
S
o
c
ia
l
a
n
d
Beh
a
v
io
r
a
l
S
c
ie
n
c
e
s
.
2
0
1
5
;
1
7
5
:
4
3
1
-
8.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
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-
4752
I
n
d
o
n
esia
n
J
E
lec
E
n
g
&
C
o
m
p
Sci,
Vo
l.
12
,
No
.
2
,
No
v
e
m
b
er
2
0
1
8
:
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6
5
–
8
7
2
872
[5
]
Ka
m
a
l
B,
Ba
n
u
A
T
.
"
IC
T
in
h
ig
h
e
r
e
d
u
c
a
ti
o
n
–
a
stu
d
y
"
.
Ca
n
a
d
ia
n
J
o
u
rn
a
l
o
n
Da
t
a
,
In
f
o
rm
a
ti
o
n
a
n
d
K
n
o
wled
g
e
En
g
i
n
e
e
rin
g
.
2
0
1
0
;1
(
1
):
1
-
1
2
.
[6
]
A
lt
b
a
c
h
P
.
"
G
lo
b
a
li
z
a
ti
o
n
a
n
d
f
o
rc
e
s
f
o
r
c
h
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n
g
e
in
h
ig
h
e
r
e
d
u
c
a
ti
o
n
"
.
In
ter
n
a
ti
o
n
a
l
Hig
h
e
r E
d
u
c
a
ti
o
n
.
2
0
1
5
(
5
0
).
[7
]
Hu
g
h
e
s
DL
,
Dw
i
v
e
d
i
YK
,
S
im
in
ti
ra
s
A
C,
Ra
n
a
NP.
"
P
ro
jec
t
F
a
il
u
re
a
n
d
Its
C
o
n
tr
ib
u
ti
n
g
F
a
c
to
rs
"
.
S
u
c
c
e
ss
a
n
d
Fa
il
u
re
o
f
I
S
/IT
Pro
jec
ts:
S
p
rin
g
e
r
;
2
0
1
6
.
p
.
3
-
25.
[8
]
Hu
g
h
e
s
L
D,
Ra
n
a
NP
,
S
im
in
ti
ra
s
A
C.
"
T
h
e
c
h
a
n
g
in
g
lan
d
sc
a
p
e
o
f
IS
p
ro
jec
t
f
a
il
u
re
:
a
n
e
x
a
m
in
a
ti
o
n
o
f
th
e
k
e
y
f
a
c
to
rs"
.
J
o
u
rn
a
l
o
f
En
ter
p
rise
I
n
f
o
rm
a
ti
o
n
M
a
n
a
g
e
me
n
t
.
2
0
1
7
;
3
0
(
1
).
[9
]
S
u
b
iy
a
k
to
A
,
A
h
lan
A
R,
Ka
rti
w
i
M
,
P
u
tra
S
J,
Du
ra
c
h
m
a
n
Y.
"
T
h
e
Us
e
r
S
a
ti
sfa
c
ti
o
n
P
e
rsp
e
c
ti
v
e
s
o
f
th
e
In
f
o
rm
a
ti
o
n
S
y
ste
m
P
ro
jec
ts"
.
In
d
o
n
e
sia
n
J
o
u
r
n
a
l
o
f
El
e
c
trica
l
En
g
i
n
e
e
rin
g
a
n
d
Co
mp
u
ter
S
c
i
e
n
c
e
(
I
J
EE
CS
)
.
2
0
1
6
;
4
(1
).
[1
0
]
S
u
b
iy
a
k
to
A
,
A
h
lan
A
R,
Ka
rti
w
i
M
,
S
u
k
m
a
n
a
H
T
.
"
M
e
a
su
re
m
e
n
t
o
f
In
f
o
r
m
a
ti
o
n
S
y
st
e
m
P
ro
jec
t
S
u
c
c
e
ss
B
a
se
d
o
n
P
e
rc
e
p
ti
o
n
s
o
f
th
e
In
tern
a
l
S
tak
e
h
o
l
d
e
rs"
.
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
El
e
c
trica
l
a
n
d
C
o
mp
u
ter
En
g
in
e
e
rin
g
(
IJ
ECE
)
.
2
0
1
5
;
5
(2
):
2
7
1
-
9.
[1
1
]
S
u
b
iy
a
k
to
A
,
S
e
p
ti
a
n
d
a
n
i
D,
Nu
r
m
iati
E,
Du
ra
c
h
m
a
n
Y,
Ka
rti
w
i
M
,
A
h
lan
A
R.
"
M
a
n
a
g
e
rs
P
e
rc
e
p
ti
o
n
s
t
o
w
a
rd
s
th
e
S
u
c
c
e
ss
o
f
E
-
P
e
rf
o
r
m
a
n
c
e
R
e
p
o
rti
n
g
S
y
ste
m
"
.
T
EL
KOM
NIKA
(T
e
lec
o
mm
u
n
ica
ti
o
n
C
o
mp
u
ti
n
g
El
e
c
tro
n
ics
a
n
d
Co
n
tro
l)
.
2
0
1
7
;
1
5
(
3
):1
3
8
9
-
9
6
.
[1
2
]
S
u
b
iy
a
k
to
A
,
A
h
lan
A
R,
e
d
it
o
rs.
"
A
c
o
h
e
re
n
t
f
ra
m
e
w
o
rk
f
o
r
u
n
d
e
rsta
n
d
in
g
c
rit
ica
l
su
c
c
e
ss
f
a
c
to
rs
o
f
IC
T
p
ro
jec
t
e
n
v
i
ro
n
m
e
n
t"
.
2
0
1
3
I
n
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
Res
e
a
rc
h
a
n
d
I
n
n
o
v
a
t
io
n
in
In
fo
rm
a
t
io
n
S
y
ste
ms
(
ICRII
S
)
;
2
0
1
3
27
-
2
8
N
o
v
.
2
0
1
3
.
[1
3
]
P
u
tra
S
J,
S
u
b
iy
a
k
to
A
,
A
h
lan
A
R,
Ka
rti
w
i
M
.
"
A
Co
h
e
re
n
t
F
ra
m
e
w
o
rk
f
o
r
Un
d
e
rsta
n
d
i
n
g
th
e
S
u
c
c
e
ss
o
f
a
n
In
f
o
rm
a
ti
o
n
S
y
ste
m
P
ro
jec
t"
.
T
EL
KOM
NIKA
(
T
e
lec
o
mm
u
n
ica
ti
o
n
,
Co
m
p
u
ti
n
g
,
El
e
c
tro
n
ics
a
n
d
Co
n
tro
l)
.
2
0
1
6
;
1
4
(
1
):3
0
2
-
8.
[1
4
]
S
u
b
iy
a
k
to
A
,
A
h
lan
A
R,
Ka
rti
wi
M
,
P
u
tra
S
J.
"
M
e
a
su
re
m
e
n
t
o
f
th
e
in
f
o
rm
a
ti
o
n
sy
ste
m
p
ro
jec
t
su
c
c
e
ss
o
f
th
e
h
ig
h
e
r
e
d
u
c
a
ti
o
n
in
stit
u
ti
o
n
s
i
n
In
d
o
n
e
sia
:
a
p
il
o
t
st
u
d
y
"
.
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
B
u
sin
e
ss
In
fo
r
ma
ti
o
n
S
y
ste
m
.
2
0
1
6
;
2
3
(
2
):2
2
9
-
4
7
.
[1
5
]
Hic
k
s M
J.
"
P
ro
b
lem
so
lv
in
g
in
b
u
sin
e
ss
a
n
d
m
a
n
a
g
e
m
e
n
t:
h
a
rd
,
s
o
f
t
a
n
d
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re
a
ti
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a
p
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o
a
c
h
e
s"
:
S
p
rin
g
e
r
;
2
0
1
3
.
[1
6
]
M
o
n
se
n
JJ
,
F
re
d
e
rick
so
n
N.
"
Th
e
M
o
n
se
n
P
ro
b
lem
-
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o
lv
in
g
M
o
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e
l"
.
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me
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rk
s
fo
r
Pra
c
ti
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e
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u
c
a
ti
o
n
a
l
Psy
c
h
o
lo
g
y
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T
e
x
tb
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o
k
f
o
r T
r
a
in
e
e
s a
n
d
Pr
a
c
ti
ti
o
n
e
rs
.
2
0
1
6
:
9
5
.
[1
7
]
S
teff
e
n
se
n
S
V
.
"
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m
a
n
in
tera
c
ti
v
it
y
:
p
ro
b
lem
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so
lv
in
g
,
so
lu
t
io
n
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p
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n
d
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l
p
a
tt
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in
th
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d
"
.
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g
n
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i
o
n
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e
y
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n
d
th
e
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ra
i
n
:
S
p
rin
g
e
r
;
2
0
1
3
.
p
.
1
9
5
-
2
2
1
.
[1
8
]
X
u
X
,
Zh
a
n
g
W
,
Ba
rk
h
i
R
.
"
IT
in
f
ra
stru
c
tu
re
c
a
p
a
b
il
it
ies
a
n
d
IT
p
r
o
jec
t
su
c
c
e
ss
:
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d
e
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m
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ti
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n
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t
.
2
0
1
0
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1
(3
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2
3
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2
.
[1
9
]
Rit
c
h
ie
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Bri
n
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ley
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"
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a
d
o
p
ti
o
n
b
y
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M
Es:
im
p
li
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ti
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s
f
o
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re
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ip
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t"
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h
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y
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o
rk
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n
d
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n
t
.
2
0
0
5
;
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0
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3
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5
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0
]
Bo
u
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n
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V
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n
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n
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o
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f
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V
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n
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n
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o
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ti
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m
u
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ica
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h
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n
iza
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n
s: a
d
o
p
ti
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n
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im
p
le
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n
tatio
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u
se
a
n
d
e
f
f
e
c
ts
"
:
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;
2
0
0
5
.
[2
1
]
On
w
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b
u
z
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A
J,
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ll
in
s
KM.
"
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t
y
p
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m
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m
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li
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g
d
e
sig
n
s
in
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c
ial
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e
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se
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rc
h
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h
e
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u
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li
ta
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rt
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2
0
0
7
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2
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):
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8
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-
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6
.
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2
]
Cre
s
w
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ll
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W
.
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e
se
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r
c
h
d
e
sig
n
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a
li
tativ
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,
q
u
a
n
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tativ
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n
d
m
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x
e
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m
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s
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p
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c
h
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s"
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g
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u
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li
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s
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0
1
3
.
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3
]
Blax
ter L
,
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g
h
e
s C,
T
ig
h
t
M
.
"
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w
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se
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d
.
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c
k
in
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a
m
"
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e
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ive
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ss
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0
0
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.
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4
]
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m
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rg
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t
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ra
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o
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rk
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ti
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g
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rc
h
.
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0
1
2
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9
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):
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9
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0
8
.
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5
]
De
m
issie
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lo
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.
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a
g
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p
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ir
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t
in
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e
k
o
ru
District,
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o
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w
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st
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h
io
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ia:
a
su
rv
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in
f
o
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t
m
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th
o
d
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.
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ra
n
s
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c
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o
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e
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l
S
o
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f
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ro
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e
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d
Hy
g
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e
.
2
0
1
1
;
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0
5
(9
)
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7
-
11.
[2
6
]
T
e
d
d
li
e
C,
T
a
sh
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k
k
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A
.
"
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o
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ti
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m
ix
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d
m
e
th
o
d
s
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rc
h
:
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teg
ra
ti
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g
q
u
a
n
ti
tativ
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d
q
u
a
li
tativ
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p
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ro
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c
h
e
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n
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o
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a
v
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l
sc
ien
c
e
s"
:
S
a
g
e
Pu
b
li
c
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ti
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n
s In
c
;
2
0
0
9
.
[2
7
]
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ierv
a
n
g
E,
G
o
o
d
m
a
n
R.
"
A
d
v
a
n
tag
e
s
a
n
d
li
m
it
a
ti
o
n
s
o
f
w
e
b
-
b
a
s
e
d
su
rv
e
y
s:
e
v
id
e
n
c
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f
ro
m
a
c
h
il
d
m
e
n
tal
h
e
a
lt
h
su
rv
e
y
"
.
S
o
c
ia
l
p
sy
c
h
i
a
try
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n
d
p
s
y
c
h
ia
tric e
p
i
d
e
mio
lo
g
y
.
2
0
1
1
;
4
6
(
1
):6
9
-
7
6
.
[2
8
]
L
a
Ga
rc
e
R,
W
a
sh
b
u
rn
J.
"
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n
in
v
e
stig
a
ti
o
n
in
to
t
h
e
e
ff
e
c
ts
o
f
q
u
e
stio
n
n
a
ire
f
o
rm
a
t
a
n
d
c
o
lo
r
v
a
riatio
n
s
o
n
m
a
il
su
rv
e
y
re
sp
o
n
se
ra
tes
"
.
J
o
u
rn
a
l
o
f
tec
h
n
ic
a
l
writi
n
g
a
n
d
c
o
mm
u
n
ic
a
ti
o
n
.
1
9
9
5
;
2
5
(
1
):
5
7
-
70.
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9
]
Ch
risto
p
h
e
r
J,
S
c
h
e
rtze
r
CB,
S
c
h
e
rtze
r
S
.
"
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c
c
o
u
n
ti
n
g
F
a
c
u
lt
y
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n
tern
sh
i
p
s:
A
De
sc
rip
ti
v
e
S
tu
d
y
"
.
S
AGE
Op
e
n
.
2
0
1
3
;
3
(3
):
1
-
1
8
.
[3
0
]
P
e
a
rlso
n
KE,
S
a
u
n
d
e
rs
CS
,
Ga
ll
e
tt
a
DF.
"
M
a
n
a
g
in
g
a
n
d
Us
in
g
I
n
f
o
rm
a
ti
o
n
S
y
ste
m
s,
Bin
d
e
r
Re
a
d
y
V
e
rsio
n
:
A
S
trate
g
ic
A
p
p
ro
a
c
h
"
:
J
o
h
n
W
il
e
y
&
S
o
n
s
;
2
0
1
6
.
[3
1
]
Be
ss
o
n
P
,
R
o
w
e
F
.
"
S
trate
g
izin
g
in
f
o
rm
a
ti
o
n
sy
ste
m
s
-
e
n
a
b
led
o
r
g
a
n
iza
ti
o
n
a
l
tran
sf
o
rm
a
ti
o
n
:
A
tr
a
n
sd
isc
ip
li
n
a
ry
re
v
ie
w
a
n
d
n
e
w
d
irec
ti
o
n
s"
.
T
h
e
J
o
u
rn
a
l
o
f
S
tra
teg
ic In
f
o
rm
a
ti
o
n
S
y
ste
ms
.
2
0
1
2
;
2
1
(2
):
1
0
3
-
2
4
.
[3
2
]
Ku
n
a
e
f
i
T
D,
e
d
it
o
r.
"
IC
T
in
Un
iv
e
rsit
y
Tea
c
h
in
g
/L
e
a
rn
in
g
a
n
d
Re
se
a
rc
h
in
S
o
u
th
e
a
st
A
sia
n
Co
u
n
tri
e
s:
A
Ca
s
e
o
f
In
d
o
n
e
sia
"
.
Reg
io
n
a
l
S
e
min
a
r
o
n
M
a
k
in
g
a
Dif
fer
e
n
c
e
:
ICT
in
Un
ive
rs
it
y
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e
a
c
h
in
g
/L
e
a
r
n
in
g
a
n
d
Res
e
a
rc
h
i
n
S
o
u
th
e
a
st
Asia
n
Co
u
n
tries
I
n
d
o
n
e
sia
;
2
0
0
7
;
Ja
k
a
rta.
[3
3
]
W
h
e
tt
e
n
DA
.
"
W
h
a
t
c
o
n
stit
u
tes
a
th
e
o
re
ti
c
a
l
c
o
n
tri
b
u
ti
o
n
?
"
.
Aca
d
e
my
o
f
ma
n
a
g
e
me
n
t
re
v
iew
.
1
9
8
9
;
1
4
(
4
):4
9
0
-
5.
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