I
nd
o
ne
s
ia
n J
o
urna
l o
f
E
lect
rica
l En
g
ineering
a
nd
Co
m
pu
t
er
Science
Vo
l.
25
,
No
.
1
,
J
an
u
ar
y
20
22
,
p
p
.
5
2
9
~
5
3
9
I
SS
N:
2
5
0
2
-
4
7
5
2
,
DOI
:
1
0
.
1
1
5
9
1
/ijeecs.v
25
.i
1
.
pp
529
-
5
3
9
529
J
o
ur
na
l ho
m
ep
a
g
e
:
h
ttp
:
//ij
ee
cs.ia
esco
r
e.
co
m
Desig
n of an e
nv
iro
nmenta
l ma
na
g
ement i
nform
a
tio
n sy
stem
for the
Univers
id
a
d Distrit
a
l
E
dwi
n Ar
t
uro
Q
uin
t
er
o
T
o
rr
es,
Willi
a
m
Andrés
L
eó
n B
elt
rá
n
,
J
ua
n M
a
nu
el
Sá
nche
z
Céspede
s
F
a
c
u
l
t
a
d
d
e
I
n
g
e
n
i
e
r
í
a
,
U
n
i
v
e
r
si
d
a
d
D
i
st
r
i
t
a
l
F
r
a
n
c
i
sc
o
J
o
sé
d
e
C
a
l
d
a
s,
B
o
g
o
t
á
D
.
C
.
,
C
o
l
o
m
b
i
a
Art
icle
I
nfo
AB
S
T
RAC
T
A
r
ticle
his
to
r
y:
R
ec
eiv
ed
Oct
5
,
2
0
2
1
R
ev
is
ed
No
v
2
,
2
0
2
1
Acc
ep
ted
No
v
2
9
,
2
0
2
1
Th
is
a
rti
c
le
p
re
se
n
ts
th
e
d
e
sig
n
,
d
e
v
e
lo
p
m
e
n
t
a
n
d
imp
lem
e
n
tat
io
n
o
f
a
so
ftwa
re
to
o
l,
se
rv
in
g
a
s
a
n
a
lt
e
rn
a
ti
v
e
to
th
e
p
r
o
b
lem
s
in
v
o
l
v
i
n
g
m
a
n
a
g
e
m
e
n
t,
c
o
n
tro
l
a
n
d
re
p
o
rti
n
g
o
f
p
r
o
c
e
ss
e
s
with
in
th
e
i
n
stit
u
ti
o
n
a
l
p
la
n
fo
r
e
n
v
iro
n
m
e
n
tal
m
a
n
a
g
e
m
e
n
t
(k
n
o
wn
a
s
p
lan
in
sti
tu
c
i
o
n
a
l
d
e
g
e
stió
n
a
m
b
ien
tal
(P
IG
A)
b
y
it
s
S
p
a
n
ish
a
c
ro
n
y
m
)
f
o
r
th
e
Un
iv
e
rsid
a
d
Distrit
a
l
F
ra
n
c
isc
o
Jo
sé
d
e
Ca
ld
a
s.
Th
e
so
ftwa
re
is
fo
c
u
se
d
o
n
c
a
rry
in
g
o
u
t
su
c
h
p
ro
c
e
ss
e
s to
th
e
a
u
t
o
m
a
ti
o
n
se
tt
i
n
g
,
b
a
se
d
o
n
t
h
e
e
x
trem
e
p
ro
g
ra
m
m
in
g
(
XP
)
Ag
il
e
m
e
th
o
d
o
lo
g
y
th
a
t
m
a
i
n
ly
c
e
n
ters
o
n
th
e
c
o
n
ti
n
u
o
u
s
d
e
v
e
l
o
p
m
e
n
t
o
f
th
e
c
u
sto
m
e
r
re
q
u
irem
e
n
ts
to
o
f
fe
r
a
m
o
re
a
s
se
rti
v
e
to
o
l,
i
n
li
n
e
with
th
e
p
lan
in
st
it
u
c
i
o
n
a
l
d
e
g
e
sti
ó
n
a
m
b
ien
tal
in
S
p
a
n
is
h
(
P
IG
A
)
p
ro
c
e
ss
e
s.
Th
e
re
su
lt
is
a
c
o
m
p
lete
sa
ti
sfa
c
ti
o
n
o
f
u
se
rs
a
n
d
a
h
ig
h
ly
u
sa
b
le,
a
d
a
p
tab
le
a
n
d
e
fficie
n
t
so
ftwa
re
,
in
h
e
re
n
tl
y
o
p
t
imiz
in
g
a
n
d
a
u
to
m
a
ti
n
g
t
h
e
e
n
v
i
ro
n
m
e
n
tal
m
a
n
a
g
e
m
e
n
t
p
ro
c
e
ss
e
s
o
f
th
e
P
I
G
A
p
ro
g
ra
m
.
T
h
is
wo
rk
d
e
li
v
e
rs
a
n
a
p
p
let
th
a
t
m
e
e
ts
t
h
e
d
e
si
g
n
a
n
d
imp
l
e
m
e
n
tatio
n
re
q
u
irem
e
n
ts
o
f
e
n
v
i
ro
n
m
e
n
tal
m
a
n
a
g
e
m
e
n
t
p
o
li
c
ies
.
T
h
e
p
r
o
p
o
se
d
to
o
l
m
a
n
a
g
e
s
to
re
d
u
c
e
p
ro
c
e
ss
-
re
late
d
ti
m
e
s
b
y
9
7
%
,
t
h
e
re
fo
re
,
a
ll
o
win
g
t
o
a
im
e
ff
o
rts
i
n
o
t
h
e
r
m
issio
n
a
l
fu
n
c
ti
o
n
s
a
n
d
i
n
c
re
a
se
th
e
o
v
e
ra
ll
v
a
lu
e
o
f
f
e
r
o
f
th
e
o
rg
a
n
iza
ti
o
n
.
K
ey
w
o
r
d
s
:
Ag
ile
m
eth
o
d
o
l
o
g
y
E
n
v
ir
o
n
m
en
tal
in
f
o
r
m
atio
n
s
y
s
tem
E
n
v
ir
o
n
m
en
tal
m
an
a
g
em
en
t
I
n
f
o
r
m
atio
n
an
d
co
m
m
u
n
icatio
n
tech
n
o
lo
g
ies
So
f
twar
e
T
h
is i
s
a
n
o
p
e
n
a
c
c
e
ss
a
rticle
u
n
d
e
r th
e
CC B
Y
-
SA
li
c
e
n
se
.
C
o
r
r
e
s
p
o
nd
ing
A
uth
o
r
:
J
u
an
Ma
n
u
el
Sán
ch
ez
C
ésp
ed
es
Facu
ltad
d
e
I
n
g
en
ier
ía,
Un
i
v
er
s
id
ad
Dis
tr
ital Fr
an
cisco
J
o
s
é
d
e
C
ald
as
C
ar
r
er
a
7
#
4
0
B
-
5
3
,
B
o
g
o
tá
D
.
C
,
C
o
lo
m
b
ia
E
m
ail:
jm
s
an
ch
ez
c@
u
d
is
tr
ital
.
ed
u
.
co
1.
I
NT
RO
D
UCT
I
O
N
Or
g
an
izatio
n
s
h
av
e
th
e
p
u
r
p
o
s
e
to
in
cr
ea
s
e
v
alu
e
o
f
f
er
a
n
d
im
p
r
o
v
e
co
m
p
etitiv
e
ad
v
a
n
tag
es
b
y
cu
ttin
g
co
s
ts
o
r
d
eliv
er
i
n
g
a
d
if
f
er
en
tial
p
r
o
d
u
ct
[
1
]
.
T
h
e
cu
r
r
e
n
t
ev
o
lu
tio
n
o
f
in
f
o
r
m
atio
n
a
n
d
co
m
m
u
n
icatio
n
s
tech
n
o
lo
g
ies (
I
C
T
)
,
d
r
iv
en
b
y
d
if
f
e
r
en
t f
ac
to
r
s
s
u
c
h
as
in
ter
n
et
m
ass
if
icatio
n
an
d
tech
n
o
lo
g
y
ac
ce
s
s
ib
ilit
y
h
as
b
ee
n
p
o
s
itio
n
ed
as
s
tr
ateg
ic
ax
es
f
o
r
v
alu
e
g
en
er
atio
n
with
in
o
r
g
an
izatio
n
s
,
lead
in
g
t
o
g
o
o
d
p
r
ac
tice
m
an
u
als
in
clu
d
in
g
in
f
o
r
m
atio
n
tech
n
o
lo
g
y
in
f
r
astru
ctu
r
e
lib
r
ar
y
(
ITIL
)
[
1
]
,
co
n
tr
o
l
o
b
jectiv
es
f
o
r
in
f
o
r
m
atio
n
s
y
s
tem
s
an
d
r
el
ated
tech
n
o
l
o
g
y
(
C
OB
I
T
)
[
2
]
an
d
th
e
o
p
en
g
r
o
u
p
ar
ch
i
tectu
r
e
f
r
am
ew
o
r
k
(
T
OGAF
)
[
3
]
.
T
h
u
s
,
e
v
er
y
o
r
g
an
izatio
n
th
at
s
ee
k
s
to
th
r
i
v
e
s
h
o
u
ld
im
p
lem
en
t
I
C
T
s
in
p
r
o
ce
s
s
es
to
im
p
r
o
v
e
an
d
in
cr
ea
s
e
v
al
u
e
g
en
e
r
atio
n
.
I
n
th
e
en
v
ir
o
n
m
en
tal
s
ec
to
r
,
d
if
f
er
en
t
I
C
T
s
tr
ateg
ies
h
a
v
e
b
ee
n
u
s
ed
to
in
cr
ea
s
e
v
alu
e
g
en
er
atio
n
,
s
u
ch
as
en
v
ir
o
n
m
en
tal
m
an
a
g
em
en
t
in
f
o
r
m
atio
n
s
y
s
tem
s
(
E
MI
S),
d
ef
in
ed
as
“tec
h
n
ical
o
r
g
an
izatio
n
s
y
s
tem
s
f
o
r
th
e
ex
tr
ac
tio
n
,
p
r
o
ce
s
s
in
g
an
d
d
ep
lo
y
m
en
t
o
f
r
elev
an
t
e
n
v
ir
o
n
m
en
tal
in
f
o
r
m
atio
n
with
in
co
m
p
a
n
ies”
[
4
]
.
Su
ch
d
ev
elo
p
m
en
ts
s
tem
m
ed
f
r
o
m
th
e
n
ee
d
to
m
an
ag
e
en
v
ir
o
n
m
en
tal
in
f
o
r
m
atio
n
as
a
r
esp
o
n
s
e
to
in
ter
n
al
an
d
ex
ter
n
al
p
r
ess
u
r
e
in
th
e
f
o
r
m
o
f
r
e
g
u
latio
n
s
,
co
n
s
u
m
er
s
,
s
tak
eh
o
ld
er
s
,
ac
tiv
is
ts
an
d
ch
an
g
es
in
co
m
m
er
cial
s
ettin
g
s
[
4
]
.
I
n
t
h
e
ca
s
e
o
f
th
e
en
v
ir
o
n
m
e
n
tal
m
an
ag
em
en
t
s
y
s
tem
(
o
r
S
GA
b
y
its
Sp
an
is
h
ac
r
o
n
y
m
)
,
en
co
m
p
ass
ed
with
in
th
e
in
s
titu
tio
n
al
p
lan
f
o
r
en
v
ir
o
n
m
en
tal
m
an
a
g
em
e
n
t
(
PIG
A)
o
f
th
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
5
2
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
,
Vo
l.
25
,
No
.
1
,
J
an
u
ar
y
20
22
:
529
-
5
3
9
530
Un
iv
er
s
id
ad
Dis
tr
ital Fr
an
cisc
o
J
o
s
é
d
e
C
ald
as
[
5
]
,
[
6
]
,
th
er
e
was a
n
ee
d
to
im
p
r
o
v
e
in
n
er
o
p
er
ativ
e
p
r
o
ce
s
s
es
an
d
th
u
s
in
cr
ea
s
e
th
e
av
ailab
i
lity
o
f
r
eso
u
r
ce
s
f
o
r
m
is
s
io
n
al
p
r
o
ce
s
s
es,
lead
in
g
to
in
cr
ea
s
ed
v
alu
e.
T
h
e
m
ain
ca
u
s
e
b
eh
in
d
th
is
is
s
u
e
in
th
e
SGA
d
er
iv
es
f
r
o
m
u
s
in
g
Ms
.
E
x
ce
l
in
in
n
er
p
r
o
ce
s
s
es.
Al
th
o
u
g
h
c
o
m
m
o
n
ly
u
s
ef
u
l f
o
r
s
m
all
an
d
m
ed
i
u
m
c
o
m
p
an
ies,
it is
n
o
t id
ea
l f
o
r
ce
r
tain
task
s
.
T
h
e
s
o
lu
tio
n
co
n
s
is
ts
o
n
an
ag
ile
-
b
ased
s
o
f
twar
e
[
7
]
,
wh
er
e
th
e
d
eliv
er
ed
d
esig
n
s
ar
e
m
o
r
e
ac
cu
r
ate
an
d
clo
s
er
to
u
s
e
as c
ase
s
ce
n
ar
io
s
,
th
e
r
eq
u
ir
em
e
n
ts
ar
e
f
o
r
m
ally
s
p
ec
if
ied
an
d
th
e
p
r
o
d
u
ct
b
ac
k
lo
g
is
cr
ea
ted
to
d
is
p
lay
a
s
tep
b
y
s
tep
v
ie
w
o
f
th
e
p
r
o
ce
s
s
es
in
v
o
lv
ed
in
th
e
cr
ea
tio
n
o
f
th
e
s
o
f
tw
ar
e
to
o
l.
All
th
ese
p
r
o
ce
s
s
es
an
d
d
ev
elo
p
m
en
ts
a
r
e
d
eter
m
in
ed
b
y
th
e
p
r
io
r
ity
s
et
d
u
r
in
g
cu
s
to
m
er
f
ee
d
b
a
ck
.
At
th
e
en
d
o
f
ea
c
h
p
r
o
d
u
ct
p
r
o
ce
s
s
d
ef
in
ed
in
th
e
b
ac
k
lo
g
,
p
a
r
tial
r
esu
lts
ar
e
s
h
o
wn
th
at
will
b
ec
o
m
e
a
s
o
f
tw
ar
e
to
o
l
tailo
r
e
d
to
th
e
r
eq
u
ir
em
e
n
ts
o
f
th
e
s
is
te
m
a
d
e
g
esti
o
n
am
b
ien
tal
-
p
la
n
in
s
titu
cio
n
al
d
e
g
esti
ó
n
am
b
ien
tal
in
Sp
an
is
h
(
SGA
-
PIG
A
)
s
y
s
tem
.
T
h
is
to
o
l
ca
n
p
r
o
v
e
to
b
e
u
s
ef
u
l
d
u
e
t
o
its
u
s
ab
ilit
y
an
d
d
ev
elo
p
m
en
t
f
o
r
im
p
lem
en
tatio
n
p
r
o
jects
with
in
s
m
all
an
d
m
e
d
iu
m
e
n
ter
p
r
is
es
(
SME
s
)
[
8
]
.
T
h
ese
co
m
p
an
ies
h
av
e
s
ca
r
c
e
r
eso
u
r
ce
s
to
im
p
lem
en
t
r
o
b
u
s
t
en
v
ir
o
n
m
e
n
tal
m
an
ag
e
m
en
t
s
y
s
tem
s
[
9
]
,
wh
ich
will
p
r
o
m
o
te
o
r
g
an
izatio
n
’
s
s
u
s
tain
ab
le
d
ev
elo
p
m
e
n
t
[
1
0
]
.
Dif
f
er
en
t
r
esear
ch
p
r
o
jects
th
at
d
ev
elo
p
ed
co
m
p
u
tin
g
to
o
ls
f
o
r
en
v
ir
o
n
m
en
tal
m
an
a
g
em
en
t
ar
e
r
ev
iewe
d
.
T
h
e
f
ir
s
t
was
d
ev
elo
p
ed
in
T
h
e
Un
ited
States
,
to
ass
es
s
th
e
v
iab
ilit
y
o
f
d
ev
elo
p
in
g
en
v
ir
o
n
m
e
n
tal
m
an
ag
em
en
t
s
y
s
tem
s
in
lar
g
e
-
s
ized
u
n
iv
er
s
ities
.
T
h
e
r
esear
ch
co
n
clu
d
e
d
th
at
th
e
d
ev
elo
p
m
en
t
o
f
au
to
m
ate
d
en
v
ir
o
n
m
en
tal
m
an
a
g
em
en
t
s
y
s
tem
s
in
lar
g
e
in
s
titu
tio
n
s
in
v
o
lv
es
v
ar
io
u
s
is
s
u
es
d
u
e
to
th
e
v
ar
iety
o
f
ca
m
p
u
s
in
f
r
as
tr
u
ctu
r
es,
v
ar
iety
i
n
en
v
i
r
o
n
m
en
tal
m
an
ag
e
m
en
t
p
o
licies
an
d
lim
ited
ac
ce
s
s
ib
ilit
y
to
r
elev
an
t
d
ata.
T
h
e
au
th
o
r
s
claim
th
at
th
ese
s
y
s
te
m
s
m
u
s
t
b
e
d
ev
elo
p
ed
a
n
d
b
a
s
ed
o
n
r
ea
lis
tic
p
r
o
ject
p
lan
n
i
n
g
s
tr
ateg
y
,
a
p
r
o
p
er
s
elec
tio
n
o
f
s
o
f
twar
e
tech
n
o
lo
g
ies,
an
ad
e
q
u
ate
d
esig
n
o
f
th
e
s
y
s
tem
ar
ch
itectu
r
e
an
d
th
e
co
m
m
itm
en
t
o
f
th
e
ad
m
in
is
tr
ativ
e
s
taf
f
[
1
1
]
.
T
h
e
s
ec
o
n
d
r
esear
ch
was
d
ev
elo
p
ed
in
Ger
m
an
y
i
n
Osn
ab
r
u
ck
Un
i
v
er
s
ity
u
s
in
g
Um
b
er
to
®
[
1
2
]
s
o
f
twar
e
f
o
r
en
v
ir
o
n
m
en
tal
m
an
ag
em
en
t
an
d
au
d
itin
g
[
1
3
]
.
T
h
e
au
th
o
r
s
d
eter
m
in
ed
th
at
th
e
u
n
iv
er
s
ity
co
n
tr
ib
u
tes
s
ig
n
if
ica
n
tly
in
t
h
e
co
n
s
u
m
p
tio
n
o
f
f
o
s
s
il
f
u
el
r
eso
u
r
ce
s
a
n
d
clim
atic
ch
an
g
e
[
1
4
]
.
An
o
th
er
r
esear
ch
d
ev
elo
p
ed
th
e
in
teg
r
a
ted
m
u
ltime
d
ia
en
v
ir
o
n
m
en
tal
m
an
ag
em
en
t
s
y
s
tem
ca
lled
SKYi
to
d
eliv
er
d
ata
o
n
s
p
ac
e
-
tim
e
co
n
tam
i
n
an
ts
to
estab
lis
h
th
e
im
p
ac
t
an
d
r
e
d
u
ctio
n
o
f
en
v
ir
o
n
m
e
n
tal
r
is
k
.
T
h
e
SKYi
s
y
s
tem
also
o
f
f
er
s
in
f
o
r
m
atio
n
o
n
em
is
s
io
n
s
,
m
eteo
r
o
lo
g
y
an
d
to
p
o
g
r
a
p
h
y
,
a
n
d
f
ield
o
b
s
er
v
atio
n
d
ata
f
r
o
m
co
n
tam
in
an
ts
.
T
h
e
r
esu
lts
o
f
th
e
m
o
d
el
ca
n
b
e
ass
ess
ed
th
r
o
u
g
h
b
u
ilt
-
in
s
tatis
tical
m
o
d
u
les
[
1
5
]
.
On
th
is
r
esear
ch
was
d
ev
elo
p
ed
an
air
q
u
ality
m
an
ag
em
et
s
y
s
tem
.
T
h
e
s
o
f
twar
e
ar
ch
itectu
r
e
is
b
ased
o
n
a
g
eo
g
r
a
p
h
ical
in
f
o
r
m
atio
n
s
y
s
t
em
(
GI
S)
an
d
a
d
ec
is
io
n
s
u
p
p
o
r
t
s
y
s
tem
(
DSS).
T
h
e
s
y
s
tem
in
clu
d
es
a
s
et
o
f
p
r
ed
ictiv
e
m
o
d
els
[
1
6
]
.
I
n
th
e
Un
i
v
er
s
ity
o
f
Her
tf
o
r
d
s
h
ir
e
(
UK)
,
a
r
esear
ch
was
d
ev
elo
p
ed
to
an
aly
ze
ec
o
lo
g
ical
m
an
ag
em
en
t
s
o
f
twar
e
in
th
e
a
g
r
icu
ltu
r
al
s
ec
to
r
[
1
7
]
.
T
h
e
s
o
f
twar
e
u
s
es
an
e
x
p
er
t
s
y
s
tem
alo
n
g
with
s
co
r
in
g
an
d
class
if
i
ca
tio
n
tech
n
iq
u
es
[
1
7
]
.
Ad
d
itio
n
ally
,
th
e
s
y
s
tem
in
clu
d
es
m
o
d
u
les
to
s
im
u
late
h
y
p
o
th
etica
l
s
ce
n
ar
io
s
.
I
n
th
e
U
n
iv
er
s
ity
o
f
T
h
ess
aly
(
Gr
ee
ce
)
,
an
en
v
ir
o
n
m
en
tal
m
an
ag
e
m
en
t
in
f
o
r
m
atio
n
s
y
s
tem
was
d
ev
e
lo
p
e
d
to
estab
lis
h
a
s
y
s
tem
atic
m
eth
o
d
to
m
an
a
g
e
e
n
v
ir
o
n
m
en
tal
d
ata
a
n
d
h
u
m
a
n
r
eso
u
r
ce
s
o
f
an
en
v
ir
o
n
m
en
tal
o
r
g
an
izatio
n
.
T
h
e
s
o
f
twar
e
m
an
ag
es
in
f
o
r
m
atio
n
r
eg
ar
d
in
g
h
u
m
an
r
eso
u
r
ce
s
,
en
v
ir
o
n
m
en
tal
p
r
o
jects,
p
r
o
tecte
d
s
p
ec
ies,
en
v
ir
o
n
m
e
n
tal
m
ea
s
u
r
em
en
ts
o
f
c
o
n
tam
in
an
ts
,
an
d
f
in
a
n
cial
d
a
ta
[
1
8
]
.
I
n
th
e
Un
iv
e
r
s
ity
o
f
Utah
(
Un
ited
States
)
,
an
o
n
lin
e
e
n
v
ir
o
n
m
e
n
tal
m
an
ag
e
m
en
t
s
y
s
tem
wa
s
d
ev
elo
p
e
d
f
o
r
ag
r
icu
ltu
r
e
.
I
t
c
an
h
elp
p
r
o
d
u
ce
r
s
i
n
p
lan
n
in
g
,
co
n
tr
o
llin
g
,
m
o
n
ito
r
i
n
g
,
au
d
i
tin
g
an
d
r
ev
iewin
g
task
s
to
m
ee
t
en
v
ir
o
n
m
en
tal
p
o
licies
[
1
9
]
.
I
n
th
e
Un
iv
er
s
i
ty
o
f
Old
en
b
u
r
g
a
p
latf
o
r
m
was
d
ev
elo
p
ed
f
o
r
co
r
p
o
r
ate
en
v
ir
o
n
m
en
tal
m
a
n
ag
em
en
t
in
f
o
r
m
atio
n
s
y
s
tem
(
C
E
MI
S)
[
2
0
]
.
T
h
e
p
latf
o
r
m
h
as
two
m
ai
n
co
m
p
o
n
en
ts
,
th
e
wo
r
k
f
lo
w
e
n
g
in
e
b
u
ilt
u
s
in
g
s
tate
ch
a
r
t
XM
L
(
SC
XM
L
)
,
an
d
th
e
g
r
ee
n
s
er
v
ice
m
all
co
n
ce
iv
ed
as a
s
et
o
f
s
tan
d
ar
d
i
ze
d
web
s
er
v
ices
[
2
0
]
.
An
o
th
er
p
r
o
ject
in
teg
r
ated
a
s
u
p
p
o
r
t
s
y
s
tem
in
to
th
e
d
ec
is
i
o
n
-
m
ak
i
n
g
p
r
o
ce
s
s
o
f
an
en
v
ir
o
n
m
en
tal
m
an
ag
em
en
t
s
y
s
tem
,
wh
ich
al
lo
wed
p
eo
p
le
in
ch
a
r
g
e
o
f
SM
E
s
to
ea
s
ily
im
p
lem
en
t c
lean
p
r
o
d
u
ctio
n
s
an
d
u
s
e
r
en
ewa
b
le
r
eso
u
r
ce
s
[
2
1
]
.
L
astl
y
,
a
r
esear
ch
p
r
o
ject
d
ef
in
ed
a
f
o
r
m
al
f
r
am
ewo
r
k
f
o
r
th
e
d
esig
n
an
d
d
ev
elo
p
m
e
n
t
o
f
an
en
v
ir
o
n
m
en
tal
m
an
ag
em
en
t
in
f
o
r
m
atio
n
s
y
s
tem
th
at
o
p
er
ates
with
h
eter
o
g
en
e
o
u
s
an
d
lar
g
e
d
atab
ase.
T
h
e
f
r
am
ewo
r
k
is
b
ased
o
n
th
e
o
n
to
lo
g
ical
m
o
d
el
o
f
e
-
c
o
m
m
er
ce
(
On
to
T
r
ad
er
)
,
th
at
f
o
llo
ws
en
g
in
ee
r
in
g
g
u
id
elin
es
d
r
iv
e
n
b
y
m
o
d
els
an
d
o
n
to
lo
g
ies
to
s
ep
ar
ate
th
e
ar
ch
itectu
r
e
f
r
o
m
th
e
im
p
lem
en
tatio
n
s
y
s
tem
[
2
2
]
.
As
d
escr
ib
ed
in
th
is
s
ec
tio
n
,
d
if
f
er
en
t
r
esear
c
h
v
e
n
tu
r
es h
av
e
led
to
s
o
f
twar
e
to
o
ls
s
er
v
in
g
as
s
u
p
p
o
r
t
s
y
s
tem
s
in
en
v
ir
o
n
m
en
tal
m
a
n
ag
em
en
t,
in
cr
ea
s
in
g
th
e
g
e
n
er
atio
n
o
f
v
alu
e
in
o
r
g
a
n
izatio
n
s
in
wh
ich
th
ey
h
av
e
b
ee
n
u
s
ed
,
p
ar
ticu
lar
ly
SME
s
.
T
h
ese
to
o
ls
h
av
e
b
ee
n
d
ev
elo
p
ed
m
o
s
tly
in
E
u
r
o
p
e
an
d
T
h
e
Un
ited
States
,
with
n
o
r
esear
ch
o
n
th
is
to
p
ic
f
o
u
n
d
in
L
atin
A
m
er
i
ca
.
I
n
d
e
x
in
g
a
n
d
ab
s
tr
ac
tin
g
s
er
v
ices
d
ep
en
d
o
n
th
e
ac
cu
r
ac
y
o
f
th
e
titl
e,
ex
tr
a
ctin
g
f
r
o
m
it k
ey
wo
r
d
s
u
s
ef
u
l
in
cr
o
s
s
-
r
ef
er
en
ci
n
g
an
d
co
m
p
u
ter
s
ea
r
ch
in
g
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4
7
5
2
Desig
n
o
f a
n
e
n
viro
n
men
ta
l
ma
n
a
g
eme
n
t in
f
o
r
ma
tio
n
s
ystem
fo
r
th
e
…
(
E
d
w
in
A
r
tu
r
o
Qu
in
tero
To
r
r
es)
531
2.
RE
S
E
ARCH
M
E
T
H
O
D
T
h
e
ch
o
s
en
m
eth
o
d
o
lo
g
y
is
e
x
p
er
im
en
tal
i
n
n
atu
r
e
[
2
3
]
.
T
h
e
m
eth
o
d
u
s
ed
f
o
r
th
e
p
r
ese
n
t
s
tu
d
y
is
co
m
p
r
is
ed
o
f
th
r
ee
p
ar
ts
.
T
h
e
f
ir
s
t
p
ar
t
co
n
s
is
ts
o
f
a
r
e
v
iew
o
f
th
e
r
elate
d
s
tu
d
ies.
T
h
e
s
e
co
n
d
p
ar
t
in
v
o
lv
es
th
e
d
ev
elo
p
m
e
n
t
an
d
im
p
le
m
en
tatio
n
o
f
an
e
n
v
ir
o
n
m
en
tal
m
an
ag
em
en
t
in
f
o
r
m
atio
n
s
y
s
tem
with
ag
ile
m
eth
o
d
o
l
o
g
y
.
T
h
e
th
ir
d
p
ar
t
is
an
ass
e
s
s
m
en
t
o
f
th
e
im
p
lem
en
tatio
n
o
f
t
h
e
en
v
ir
o
n
m
en
tal
m
an
ag
em
e
n
t
in
f
o
r
m
atio
n
s
y
s
tem
.
2
.
1
.
Rev
iew
o
f
re
la
t
ed
s
t
ud
ie
s
T
h
e
r
ev
iew
o
f
r
elate
d
s
tu
d
i
es
is
b
ased
o
n
th
e
PR
I
SMA
m
eth
o
d
o
l
o
g
y
[
2
4
]
,
[
2
5
]
.
T
wo
s
ea
r
ch
eq
u
atio
n
s
wer
e
u
s
ed
:
th
e
f
ir
s
t
o
n
e
is
“th
e
en
viro
n
men
ta
l
ma
n
a
g
eme
n
t
in
fo
r
ma
tio
n
s
ystem
”
an
d
th
e
s
ec
o
n
d
is
“en
viro
n
men
ta
l
ma
n
a
g
eme
n
t
s
ystem
”
a
n
d
“s
o
ftw
a
r
e
d
ev
elo
p
men
t”.
T
h
e
s
ea
r
ch
was
c
ar
r
i
ed
o
u
t
in
SC
OPU
S
an
d
Scien
ce
Dir
ec
t
d
atab
ases
.
T
h
e
s
ea
r
ch
was
p
er
f
o
r
m
e
d
in
th
e
titl
e,
k
ey
wo
r
d
s
an
d
ab
s
tr
a
ct
s
ec
tio
n
s
.
I
t
o
n
ly
in
clu
d
ed
ar
ticles
p
u
b
lis
h
ed
in
s
cien
tific
jo
u
r
n
als.
Af
ter
r
ev
i
ewin
g
th
e
ar
ticles,
o
n
ly
1
0
p
u
b
licatio
n
s
m
et
t
h
e
s
tu
d
y
cr
iter
ia.
2
.
2
.
Dev
el
o
pm
ent
a
nd
im
ple
m
ent
a
t
io
n o
f
t
he
info
r
m
a
t
io
n sy
s
t
em
T
h
e
ag
ile
m
et
h
o
d
o
lo
g
y
was
u
s
ed
in
th
e
d
ev
elo
p
m
en
t
o
f
th
e
in
f
o
r
m
atio
n
s
y
s
tem
.
T
h
is
m
e
th
o
d
o
lo
g
y
estab
lis
h
es
p
er
io
d
ic
m
ee
tin
g
s
to
s
h
o
w
p
r
o
g
r
ess
an
d
r
ec
ei
v
e
ap
p
r
o
v
al
o
n
f
u
n
ctio
n
ality
wh
en
n
ee
d
ed
.
T
h
e
d
ev
elo
p
m
e
n
t
is
f
ast
-
p
ac
e
d
w
h
er
e
th
e
clien
t
h
as
a
s
ig
n
if
ica
n
t
in
f
lu
e
n
ce
,
t
h
u
s
,
co
n
s
tan
t
f
ee
d
b
ac
k
is
r
eq
u
ir
e
d
f
r
o
m
ev
e
r
y
p
er
s
o
n
in
c
h
ar
g
e
o
f
th
e
d
ev
elo
p
m
en
t
o
f
p
r
ev
io
u
s
m
o
d
u
les,
co
m
p
a
r
in
g
r
esu
lts
an
d
m
ak
in
g
ad
ju
s
tm
en
ts
.
I
n
o
r
d
e
r
to
ca
r
r
y
th
e
s
elec
tio
n
an
d
p
r
io
r
itizatio
n
o
f
all
p
r
o
je
ct
s
tag
es,
a
p
r
o
d
u
ct
b
ac
k
lo
g
a
s
s
h
o
wn
in
T
ab
le
1
,
was
cr
ea
ted
to
d
etail
th
e
d
if
f
er
e
n
t
p
r
o
ce
s
s
es
th
at
m
u
s
t
b
e
ex
ec
u
ted
to
attain
th
e
d
eter
m
in
ed
g
o
als.
I
t
is
n
o
tewo
r
th
y
th
at
th
e
p
r
o
c
ess
es
f
o
u
n
d
i
n
th
e
b
ase
o
f
th
e
b
a
ck
lo
g
h
av
e
h
ig
h
er
p
r
io
r
ity
lev
els.
C
o
n
s
eq
u
en
tly
,
th
ey
will b
e
ca
r
r
ied
o
u
t
b
ef
o
r
e
th
e
p
r
o
ce
s
s
es d
escr
ib
ed
in
th
e
u
p
p
er
p
ar
t
o
f
th
e
b
ac
k
lo
g
with
less
er
p
r
io
r
ity
.
T
ab
le
1
.
Pro
d
u
ct
b
ac
k
lo
g
p
r
o
t
o
ty
p
e
P
r
o
j
e
c
t
S
t
a
g
e
s
D
e
v
e
l
o
p
m
e
n
t
o
f
t
h
e
s
u
st
a
i
n
a
b
l
e
p
r
a
c
t
i
c
e
i
mp
l
e
m
e
n
t
a
t
i
o
n
D
e
v
e
l
o
p
m
e
n
t
o
f
t
h
e
i
n
t
e
g
r
a
l
r
e
si
d
u
e
man
a
g
e
me
n
t
D
e
v
e
l
o
p
m
e
n
t
o
f
t
h
e
n
a
t
u
r
a
l
g
a
s
c
o
n
s
u
mp
t
i
o
n
mo
d
u
l
e
D
e
v
e
l
o
p
m
e
n
t
o
f
t
h
e
f
o
ss
i
l
f
u
e
l
c
o
n
s
u
mp
t
i
o
n
mo
d
u
l
e
D
e
v
e
l
o
p
m
e
n
t
o
f
t
h
e
e
f
f
i
c
i
e
n
t
u
se
o
f
e
n
e
r
g
y
mo
d
u
l
e
D
e
v
e
l
o
p
m
e
n
t
o
f
t
h
e
e
f
f
i
c
i
e
n
t
u
se
o
f
w
a
t
e
r
mo
d
u
l
e
D
a
t
a
b
a
s
e
c
r
e
a
t
i
o
n
P
r
o
t
o
t
y
p
e
c
r
e
a
t
i
o
n
D
a
t
a
b
a
s
e
p
r
o
t
o
t
y
p
e
D
e
si
g
n
o
f
t
h
e
p
r
o
j
e
c
t
a
r
c
h
i
t
e
c
t
u
r
e
2
.
3
.
Desig
n o
f
t
he
pro
j
ec
t
a
r
chit
ec
t
ure
I
n
ter
v
iews
wer
e
ca
r
r
ied
o
u
t
w
ith
th
e
en
tire
SGA
-
PIG
A
s
taf
f
m
em
b
er
s
,
s
ee
k
in
g
to
o
b
tain
a
d
etailed
d
escr
ip
tio
n
o
f
in
d
i
v
id
u
al
ac
tiv
ities
.
Hen
ce
,
th
e
r
eq
u
ir
em
en
ts
wer
e
ex
tr
ac
ted
an
d
th
e
d
ev
el
o
p
m
en
t
a
n
d
s
y
s
tem
ar
ch
itectu
r
e
wer
e
d
e
f
in
ed
.
T
h
e
SGA
-
PIG
A
s
taf
f
is
m
a
d
e
u
p
o
f
th
e
en
v
ir
o
n
m
e
n
tal
m
an
ag
er
an
d
s
ev
en
en
v
ir
o
n
m
en
tal
ass
is
tan
ts
.
T
h
e
m
o
d
u
les
wer
e
d
ef
i
n
ed
s
ep
ar
at
ely
.
An
in
d
iv
i
d
u
al
v
iew
was
c
r
ea
ted
to
co
n
tr
o
l
all
th
e
f
ac
ilit
ies
an
d
ac
a
d
em
ic
te
r
m
s
o
f
t
h
e
s
y
s
tem
f
o
r
all
m
o
d
u
les,
ex
ce
p
t
f
o
r
th
e
e
f
f
icien
t
u
s
e
o
f
wate
r
an
d
e
f
f
icien
t
u
s
e
o
f
en
e
r
g
y
th
at
h
av
e
th
eir
o
wn
f
ac
ilit
y
an
d
p
e
r
io
d
in
p
u
ts
.
T
h
ese
m
o
d
u
les
h
av
e
co
r
r
esp
o
n
d
i
n
g
in
v
en
to
r
y
s
eg
m
en
ts
to
e
n
ter
,
o
r
g
a
n
ize
an
d
elim
in
ate
in
v
en
to
r
y
.
Fo
r
ea
c
h
m
o
d
u
le,
a
r
ep
o
r
t
is
f
iled
au
to
m
atica
lly
in
th
e
p
latf
o
r
m
af
ter
en
ter
in
g
th
e
d
ata
f
o
r
t
h
e
co
r
r
esp
o
n
d
in
g
m
o
d
u
le.
2
.
4
.
Da
t
a
ba
s
e
pro
t
o
t
y
pe
I
n
th
e
d
ef
in
itio
n
o
f
th
e
p
r
o
d
u
ct
ar
ch
itectu
r
e,
it
is
n
ec
ess
ar
y
to
p
o
in
t
o
u
t
h
o
w
in
f
o
r
m
ati
o
n
will
b
e
s
to
r
ed
.
A
r
elatio
n
al
d
atab
ase
c
an
b
e
b
u
ilt to
av
o
id
d
u
p
licity
o
f
in
f
o
r
m
atio
n
; th
u
s
,
th
e
f
ir
s
t
s
tep
was to
b
u
ild
th
e
r
elatio
n
al
m
o
d
el
f
u
lf
illi
n
g
th
e
ch
ar
ac
ter
is
tics
o
f
th
e
th
ir
d
n
o
r
m
al
f
o
r
m
as
s
h
o
wn
in
Fig
u
r
e
1
.
I
n
Fig
u
r
e
1
,
th
e
elec
tr
ical
in
v
en
to
r
y
m
o
d
u
le
is
s
h
o
wn
an
d
h
o
w
th
e
f
ac
u
lty
,
l
u
m
in
air
e,
b
allast,
ig
n
itio
n
,
an
d
p
er
io
d
tab
les
ar
e
r
elate
d
,
th
u
s
av
o
id
in
g
d
u
p
licat
io
n
o
f
d
ata.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
5
2
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
,
Vo
l.
25
,
No
.
1
,
J
an
u
ar
y
20
22
:
529
-
5
3
9
532
Fig
u
r
e
1
.
R
elatio
n
al
m
o
d
el
in
t
h
ir
d
n
o
r
m
al
f
o
r
m
o
f
th
e
elec
tr
i
c
in
v
en
to
r
y
m
o
d
u
le
2
.
5
.
Cre
a
t
io
n o
f
v
iew
pro
t
o
t
y
pes
J
AVA
I
DE
Netb
ea
n
s
allo
w
s
to
g
r
ap
h
ically
m
an
ip
u
late
th
e
d
is
p
o
s
itio
n
o
f
elem
en
t
s
in
ea
ch
ap
p
licatio
n
v
iew.
T
h
e
f
in
al
d
esig
n
is
s
h
o
wn
in
Fig
u
r
e
2
.
An
ex
am
p
le
o
f
v
is
u
aliza
tio
n
o
f
c
o
n
s
u
m
p
tio
n
in
d
icato
r
s
p
er
p
er
s
o
n
f
o
r
s
ix
m
o
n
th
s
is
o
b
s
er
v
ed
in
Fi
g
u
r
e
2
.
T
h
e
in
d
ic
ato
r
s
u
s
ed
wer
e
th
e
d
is
tr
ict
en
v
ir
o
n
m
en
tal
s
ec
r
etar
iat
(
SD
A
ac
r
o
n
y
m
in
Sp
an
is
h
)
,
C
o
lo
m
b
ian
tech
n
ical
s
tan
d
ar
d
1
5
0
0
(
NT
C
ac
r
o
n
y
m
in
Sp
an
is
h
)
an
d
tec
h
n
ical
r
eg
u
latio
n
o
f
t
h
e
p
o
ta
b
le
wate
r
an
d
b
asic san
itatio
n
s
ec
to
r
(
R
AS a
c
r
o
n
y
m
in
Sp
an
is
h
)
.
Fig
u
r
e
2
.
Fin
al
d
is
p
o
s
itio
n
o
f
t
h
e
elem
en
ts
in
th
e
T
r
en
d
Per
C
ap
ita
win
d
o
w
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4
7
5
2
Desig
n
o
f a
n
e
n
viro
n
men
ta
l
ma
n
a
g
eme
n
t in
f
o
r
ma
tio
n
s
ystem
fo
r
th
e
…
(
E
d
w
in
A
r
tu
r
o
Qu
in
tero
To
r
r
es)
533
2
.
6
.
Da
t
a
ba
s
e
cr
ea
t
i
o
n
T
h
e
p
h
y
s
ical
m
o
d
els
ar
e
c
r
ea
t
ed
o
n
ce
th
e
r
elatio
n
al
m
o
d
els
h
av
e
b
ee
n
d
esig
n
ed
f
o
r
ea
c
h
m
o
d
u
le
in
th
e
d
atab
ase.
I
n
c
o
n
tr
ast
wit
h
th
e
r
elatio
n
al
m
o
d
el,
th
e
p
h
y
s
ical
m
o
d
el
in
clu
d
es
tec
h
n
ical
s
p
ec
if
icatio
n
s
b
etwe
en
en
titi
es
th
r
o
u
g
h
f
o
r
e
ig
n
k
e
y
s
an
d
c
o
m
m
o
n
attr
ib
u
tes
as
s
h
o
wn
in
Fig
u
r
e
3
.
T
h
ese
d
iag
r
a
m
s
ar
e
u
s
ef
u
l
g
iv
e
n
th
at
th
e
d
etailed
d
atab
ase
d
escr
ip
tio
n
g
en
e
r
ates
a
s
tr
u
ctu
r
ed
q
u
er
y
lan
g
u
ag
e
(
SQL)
s
cr
ip
t
au
to
m
atica
lly
p
r
o
ce
s
s
ed
in
th
e
Po
s
tg
r
eSQL
d
atab
ase,
av
o
i
d
in
g
an
u
n
p
r
ac
tical
m
an
u
al
p
r
o
ce
s
s
.
T
h
e
r
esu
ltin
g
s
cr
ip
t o
f
th
e
p
h
y
s
ical
m
o
d
el
f
o
r
elec
tr
ic
in
v
en
to
r
y
m
o
d
u
le
is
s
h
o
wn
in
Fig
u
r
e
4
.
Fig
u
r
e
3
.
Ph
y
s
ical
m
o
d
el
o
f
th
e
elec
tr
ic
in
v
en
to
r
y
m
o
d
u
le
Fig
u
r
e
4
.
Par
tial v
iew
o
f
SQL
g
en
er
atio
n
s
cr
ip
t
f
o
r
t
h
e
elec
tr
ic
in
v
en
to
r
y
m
o
d
u
le
2
.
7
.
Cre
a
t
io
n o
f
m
o
du
les
T
h
e
co
m
p
o
n
en
ts
o
f
ea
ch
m
o
d
u
le
ar
e
p
r
esen
ted
.
T
ab
le
2
d
escr
ib
es
th
e
ef
f
icien
t
u
s
e
o
f
wate
r
m
o
d
u
le.
T
ab
le
3
d
escr
ib
es
th
e
ef
f
icie
n
t
u
s
e
o
f
en
er
g
y
m
o
d
u
le.
T
a
b
le
4
d
escr
ib
es
th
e
m
o
d
u
le
f
o
r
in
teg
r
al
r
esid
u
e
m
an
ag
em
en
t.
T
ab
le
5
d
escr
ib
es
th
e
n
atu
r
al
g
as
co
n
s
u
m
p
tio
n
m
o
d
u
le.
T
ab
le
6
d
escr
ib
es
t
h
e
au
to
m
o
tiv
e
p
ar
k
f
u
el
co
n
s
u
m
p
tio
n
m
o
d
u
le.
L
astl
y
,
T
ab
le
7
d
escr
ib
es th
e
s
u
s
tain
ab
le
p
r
ac
tice
im
p
lem
e
n
tatio
n
m
o
d
u
l
e.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
5
2
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
,
Vo
l.
25
,
No
.
1
,
J
an
u
ar
y
20
22
:
529
-
5
3
9
534
T
ab
le
2
.
E
f
f
icien
t w
ater
u
s
ag
e
m
o
d
u
le
C
o
m
p
o
n
e
n
t
D
e
scri
p
t
i
o
n
W
a
t
e
r
a
n
d
sewa
g
e
b
i
l
l
i
n
g
Th
e
w
a
t
e
r
a
n
d
sew
a
g
e
b
i
l
l
i
n
g
i
n
v
o
i
c
e
s a
r
e
s
t
o
r
e
d
d
i
g
i
t
a
l
l
y
a
n
d
g
e
n
e
r
a
t
e
d
b
y
t
h
e
c
o
m
p
a
n
y
p
r
o
v
i
d
i
n
g
t
h
e
p
u
b
l
i
c
ser
v
i
c
e
(
W
a
t
e
r
,
S
e
w
a
g
e
a
n
d
P
u
b
l
i
c
C
l
e
a
n
i
n
g
ser
v
i
c
e
s
i
n
B
o
g
o
t
á
)
.
B
i
l
l
i
n
g
r
e
c
o
r
d
Th
e
d
i
f
f
e
r
e
n
t
v
a
l
u
e
s
o
f
t
h
e
i
n
v
o
i
c
e
a
r
e
r
e
g
i
st
e
r
e
d
a
s
c
o
n
s
u
m
p
t
i
o
n
(
m
3
)
,
r
e
s
i
d
e
n
t
i
a
l
f
e
e
,
n
o
n
-
r
e
si
d
e
n
t
i
a
l
c
o
n
s
u
m
p
t
i
o
n
a
n
d
t
o
t
a
l
p
a
y
men
t
o
f
a
q
u
e
d
u
c
t
a
n
d
sewa
g
e
u
t
i
l
i
t
i
e
s.
Th
e
se
a
r
e
u
s
e
d
t
o
c
a
l
c
u
l
a
t
e
d
a
i
l
y
a
n
d
m
o
n
t
h
l
y
c
o
n
s
u
mp
t
i
o
n
.
I
n
v
e
n
t
o
r
y
r
e
c
o
r
d
s
o
f
h
y
d
r
a
u
l
i
c
p
o
i
n
t
s i
n
e
a
c
h
f
a
c
i
l
i
t
y
Th
i
s
c
o
n
t
a
i
n
s t
h
e
i
n
v
e
n
t
o
r
i
e
s
p
e
r
f
a
c
i
l
i
t
y
o
f
t
h
e
v
a
r
i
o
u
s
h
y
d
r
a
u
l
i
c
d
e
v
i
c
e
s
,
a
n
d
t
h
e
o
n
e
s
w
i
t
h
l
o
w
c
o
n
s
u
m
p
t
i
o
n
a
r
e
m
a
r
k
e
d
.
C
h
a
r
t
s
Th
e
c
h
a
r
t
s
a
l
l
o
w
c
o
m
p
a
r
a
t
i
v
e
a
n
a
l
y
si
s
o
f
i
n
s
t
a
l
l
e
d
l
o
w
-
c
o
n
s
u
m
p
t
i
o
n
e
l
e
me
n
t
s VS
c
o
n
v
e
n
t
i
o
n
a
l
e
l
e
m
e
n
t
s.
Ta
b
l
e
s
a
n
d
d
a
t
a
Th
e
mo
d
u
l
e
c
a
n
b
u
i
l
d
d
i
f
f
e
r
e
n
t
t
a
b
l
e
s
w
h
i
c
h
a
r
e
a
ssem
b
l
e
d
.
C
e
r
t
a
i
n
t
y
p
e
s
o
f
d
a
t
a
a
r
e
c
h
o
s
e
n
f
o
r
su
b
se
q
u
e
n
t
a
n
a
l
y
s
e
s.
A
c
o
m
p
o
u
n
d
t
a
b
l
e
i
s
d
e
l
i
v
e
r
e
d
o
f
t
h
e
i
n
v
e
n
t
o
r
i
e
s a
c
c
o
r
d
i
n
g
t
o
e
a
c
h
f
a
c
i
l
i
t
y
o
r
d
i
v
i
d
e
d
i
n
t
o
o
w
n
e
d
,
t
o
t
a
l
o
r
l
e
a
se
d
f
a
c
i
l
i
t
i
e
s
T
ab
le
3
.
E
f
f
icien
t e
n
er
g
y
u
s
ag
e
m
o
d
u
le
C
o
m
p
o
n
e
n
t
D
e
scri
p
t
i
o
n
En
e
r
g
y
c
o
n
su
m
p
t
i
o
n
i
n
v
o
i
c
e
Th
e
i
n
v
o
i
c
e
s
e
ma
n
a
t
e
d
f
r
o
m
t
h
e
b
i
l
l
i
n
g
p
r
o
c
e
ss
a
r
e
d
i
g
i
t
a
l
l
y
g
e
n
e
r
a
t
e
d
a
n
d
st
o
r
e
d
b
y
t
h
e
c
o
m
p
a
n
y
p
r
o
v
i
d
i
n
g
t
h
e
u
t
i
l
i
t
i
e
s (G
r
u
p
o
E
n
e
r
g
í
a
d
e
B
o
g
o
t
á
)
.
I
n
v
o
i
c
e
r
e
c
o
r
d
Th
e
d
i
f
f
e
r
e
n
t
v
a
l
u
e
s
o
f
t
h
e
i
n
v
o
i
c
e
a
r
e
r
e
g
i
st
e
r
e
d
s
u
c
h
a
s
k
i
l
o
w
a
t
t
/
h
,
v
a
l
u
e
o
f
k
W
/
h
a
n
d
t
o
t
a
l
c
o
n
s
u
m
p
t
i
o
n
v
a
l
u
e
.
T
h
e
se
a
r
e
u
se
d
t
o
c
a
l
c
u
l
a
t
e
d
a
i
l
y
c
o
n
su
mp
t
i
o
n
a
n
d
d
a
i
l
y
v
a
l
u
e
.
I
n
v
e
n
t
o
r
y
r
e
c
o
r
d
s
o
f
e
n
e
r
g
y
f
a
c
i
l
i
t
i
e
s
i
n
e
a
c
h
f
a
c
i
l
i
t
y
Th
i
s
c
o
n
t
a
i
n
s
t
h
e
i
n
v
e
n
t
o
r
i
e
s
p
e
r
f
a
c
i
l
i
t
y
o
f
t
h
e
v
a
r
i
o
u
s
l
i
g
h
t
i
n
g
d
e
v
i
c
e
s
a
n
d
so
u
r
c
e
t
y
p
e
.
T
ab
le
4
.
Au
to
m
o
tiv
e
p
a
r
k
f
u
el
co
n
s
u
m
p
tio
n
m
o
d
u
le
C
o
m
p
o
n
e
n
t
D
e
scri
p
t
i
o
n
O
r
d
i
n
a
r
y
r
e
si
d
u
e
s
Th
e
d
a
t
a
o
f
t
h
e
p
u
b
l
i
c
c
l
e
a
n
i
n
g
i
n
v
o
i
c
e
i
s
r
e
g
i
st
e
r
e
d
a
s
w
e
l
l
a
s t
h
e
c
u
b
i
c
m
e
t
e
r
s o
f
g
a
r
b
a
g
e
a
n
d
c
o
s
t
.
R
e
c
y
c
l
a
b
l
e
r
e
s
i
d
u
e
s
Th
e
d
a
t
a
d
e
l
i
v
e
r
e
d
b
y
t
h
e
a
s
so
c
i
a
t
i
o
n
o
f
r
e
c
y
c
l
e
r
s
A
S
O
D
I
G
i
s
r
e
c
o
r
d
e
d
,
w
h
e
r
e
t
h
e
d
i
f
f
e
r
e
n
t
r
e
c
y
c
l
a
b
l
e
m
a
t
e
r
i
a
l
s
a
n
d
a
m
o
u
n
t
s a
r
e
s
h
o
w
n
.
P
a
t
h
o
g
e
n
i
c
r
e
s
i
d
u
e
s
Th
e
Ec
o
c
a
p
i
t
a
i
n
v
o
i
c
e
i
s re
c
o
r
d
e
d
i
n
c
l
u
d
i
n
g
t
h
e
t
y
p
e
o
f
r
e
s
i
d
u
e
,
i
t
s
a
m
o
u
n
t
a
n
d
t
o
t
a
l
c
o
s
t
.
C
h
e
mi
c
a
l
r
e
s
i
d
u
e
s
Th
e
E
c
o
e
n
t
o
r
n
o
i
n
v
o
i
c
e
i
s
r
e
c
o
r
d
e
d
i
n
c
l
u
d
i
n
g
t
h
e
t
y
p
e
o
f
r
e
si
d
u
e
,
i
t
s
a
m
o
u
n
t
a
n
d
t
o
t
a
l
c
o
s
t
.
T
ab
le
5
.
I
n
teg
r
al
r
esid
u
e
m
an
a
g
em
en
t m
o
d
u
le
C
o
m
p
o
n
e
n
t
D
e
scri
p
t
i
o
n
N
a
t
u
r
a
l
g
a
s i
n
v
o
i
c
e
s
Th
e
n
a
t
u
r
a
l
g
a
s
i
n
v
o
i
c
e
d
a
t
a
i
s
st
o
r
e
d
d
i
g
i
t
a
l
l
y
b
y
t
h
e
c
o
m
p
a
n
y
p
r
o
v
i
d
i
n
g
t
h
e
p
u
b
l
i
c
s
e
r
v
i
c
e
.
R
e
c
o
r
d
s a
n
d
t
a
b
l
e
s
Th
e
c
o
n
s
u
m
p
t
i
o
n
o
f
t
h
e
n
a
t
u
r
a
l
g
a
s
i
s
r
e
c
o
r
d
e
d
,
i
n
c
l
u
d
i
n
g
i
t
s
v
a
l
u
e
,
f
i
x
e
d
f
e
e
a
n
d
t
o
t
a
l
m
o
n
t
h
l
y
p
a
y
me
n
t
.
Th
e
t
a
b
l
e
s
c
a
n
b
e
r
e
v
i
e
w
e
d
p
e
r
f
a
c
u
l
t
y
a
s
w
e
l
l
a
s
t
h
e
t
o
t
a
l
c
o
n
s
u
m
p
t
i
o
n
o
f
t
h
e
c
a
m
p
u
s
.
T
ab
le
6
.
Natu
r
al
g
as c
o
n
s
u
m
p
tio
n
m
o
d
u
le
C
o
m
p
o
n
e
n
t
D
e
scri
p
t
i
o
n
F
u
e
l
c
o
n
su
m
p
t
i
o
n
i
n
v
o
i
c
e
Th
e
i
n
v
o
i
c
e
s
a
r
e
s
t
o
r
e
d
d
i
g
i
t
a
l
l
y
p
e
r
f
u
e
l
c
o
n
s
u
mp
t
i
o
n
.
T
h
e
u
n
i
v
e
r
si
t
y
s
e
n
d
s
a
r
e
p
o
r
t
e
a
c
h
se
mest
e
r
o
f
t
h
e
v
a
r
i
o
u
s
i
n
v
o
i
c
e
s
g
e
n
e
r
a
t
e
d
i
n
c
l
u
d
i
n
g
c
o
n
s
u
mp
t
i
o
n
v
a
l
u
e
s,
c
o
s
t
p
e
r
g
a
l
l
o
n
,
k
i
l
o
m
e
t
r
a
g
e
a
n
d
t
y
p
e
(
o
i
l
o
r
g
a
s)
.
R
e
c
o
r
d
s a
n
d
t
a
b
l
e
s
Th
e
v
a
l
u
e
s
o
f
f
u
e
l
c
o
n
s
u
m
p
t
i
o
n
,
c
o
s
t
p
e
r
g
a
l
l
o
n
,
k
i
l
o
me
t
r
a
g
e
a
n
d
t
y
p
e
(
o
i
l
o
r
g
a
s)
a
r
e
r
e
c
o
r
d
e
d
.
A
r
e
p
o
r
t
c
a
n
a
l
s
o
b
e
g
e
n
e
r
a
t
e
d
w
h
i
c
h
d
i
sp
l
a
y
s
t
h
e
d
i
f
f
e
r
e
n
t
v
e
h
i
c
l
e
s
o
f
t
h
e
c
a
m
p
u
s
,
t
h
e
t
o
t
a
l
c
o
n
s
u
m
p
t
i
o
n
o
f
e
a
c
h
v
e
h
i
c
l
e
,
t
o
t
a
l
c
o
st
s
,
a
v
e
r
a
g
e
c
o
n
su
m
p
t
i
o
n
a
n
d
t
r
a
v
e
l
l
e
d
k
i
l
o
met
r
a
g
e
.
T
ab
le
7
.
Su
s
tain
ab
le
im
p
lem
e
n
tatio
n
p
r
ac
tice
m
o
d
u
le
C
o
m
p
o
n
e
n
t
D
e
scri
p
t
i
o
n
R
e
c
o
r
d
o
f
t
h
e
t
r
e
e
-
b
a
s
e
d
f
o
r
m
a
t
i
n
e
a
c
h
f
a
c
i
l
i
t
y
Ea
c
h
t
r
e
e
l
o
c
a
t
e
d
i
n
d
i
f
f
e
r
e
n
t
f
a
c
i
l
i
t
i
e
s
o
f
t
h
e
u
n
i
v
e
r
si
t
y
i
s
r
e
g
i
s
t
e
r
e
d
a
s
w
e
l
l
a
s
t
h
e
i
r
c
u
r
r
e
n
t
st
a
t
u
s
a
n
d
w
h
e
t
h
e
r
t
h
e
y
r
e
q
u
i
r
e
sp
e
c
i
a
l
t
r
e
a
t
m
e
n
t
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4
7
5
2
Desig
n
o
f a
n
e
n
viro
n
men
ta
l
ma
n
a
g
eme
n
t in
f
o
r
ma
tio
n
s
ystem
fo
r
th
e
…
(
E
d
w
in
A
r
tu
r
o
Qu
in
tero
To
r
r
es)
535
2
.
8
.
Ass
ess
m
ent
o
f
t
he
env
ir
o
nm
ent
a
l ma
na
g
e
m
ent
s
y
s
t
em
I
n
o
r
d
er
to
ass
ess
th
e
en
v
ir
o
n
m
en
tal
m
an
ag
e
m
en
t
s
y
s
tem
,
t
h
e
p
r
o
ce
s
s
in
g
tim
es
b
ef
o
r
e
an
d
af
ter
th
e
im
p
lem
en
tatio
n
wer
e
co
m
p
a
r
e
d
an
d
t
h
e
im
p
r
o
v
em
e
n
t
r
ate
w
as
d
eter
m
in
ed
.
B
ef
o
r
e
th
e
im
p
lem
en
tatio
n
o
f
th
e
en
v
ir
o
n
m
en
tal
m
a
n
ag
em
en
t
s
y
s
tem
,
th
e
p
r
o
ce
s
s
es
wer
e
d
e
v
elo
p
ed
in
Ms
.
E
x
ce
l.
T
h
e
u
s
er
s
o
f
th
e
s
y
s
tem
wer
e
ask
ed
o
n
e
m
o
n
t
h
af
ter
th
e
im
p
lem
en
tatio
n
,
t
h
e
r
ed
u
ctio
n
o
f
tim
es in
th
e
p
r
o
ce
s
s
es.
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
I
n
o
r
d
er
to
ap
p
r
o
ac
h
th
e
d
ev
e
lo
p
m
en
t
o
f
th
e
a
r
ch
itectu
r
al
d
esig
n
,
u
s
e
ca
s
e
s
ce
n
ar
io
s
wer
e
d
ef
in
e
d
in
clu
d
in
g
in
ter
v
iews
with
th
e
PIG
A
s
taf
f
an
d
s
er
v
ed
as
t
h
e
b
asis
f
o
r
th
e
d
esig
n
o
f
th
e
f
ir
s
t
s
tag
e
o
f
th
e
p
r
o
d
u
ct
b
ac
k
lo
g
.
T
h
e
u
s
e
ca
s
es
wer
e
in
p
u
t
v
alid
atio
n
f
o
r
f
ac
ilit
ies
an
d
ter
m
s
,
ex
ten
d
ed
r
ep
o
r
t
an
d
ex
te
n
d
ed
d
ata
v
alid
atio
n
.
T
h
e
u
s
e
ca
s
es a
r
e
d
escr
ib
ed
in
th
is
s
ec
tio
n
.
3
.
1
.
Use c
a
s
e
o
f
inp
ut
v
a
lid
a
t
io
n f
o
r
f
a
cilit
ies a
nd
t
er
m
s
T
h
e
u
s
er
m
u
s
t
f
ir
s
t
en
ter
th
e
d
ata
f
o
r
f
ac
ilit
ies
an
d
ter
m
s
.
T
h
en
,
th
e
a
p
p
licatio
n
v
alid
ates
th
e
in
p
u
t
f
o
r
m
at
ca
p
tu
r
ed
f
r
o
m
t
h
e
k
e
y
b
o
ar
d
.
I
f
it
is
co
r
r
ec
t,
it
is
s
to
r
ed
in
th
e
d
atab
ase
an
d
th
e
n
ed
ited
as
s
h
o
wn
in
Fig
u
r
e
5
an
d
d
etailed
in
T
ab
le
8
.
Fig
u
r
e
5
.
Use c
ase
o
f
in
p
u
t v
al
id
atio
n
f
o
r
f
ac
ilit
ies an
d
ter
m
s
T
ab
le
8
.
Descr
ip
tio
n
o
f
th
e
u
s
e
ca
s
e
s
ce
n
ar
io
f
o
r
i
n
p
u
t
(
f
ac
ilit
ies an
d
ter
m
s
)
RF
-
01
F
a
c
i
l
i
t
i
e
s a
n
d
t
e
r
ms
R
e
l
a
t
e
d
r
e
q
u
i
r
e
me
n
t
s
RI
-
0
2
I
n
f
o
r
ma
t
i
o
n
r
e
g
a
r
d
i
n
g
f
a
c
i
l
i
t
i
e
s
a
n
d
a
c
a
d
e
mi
c
t
e
r
ms.
D
e
scri
p
t
i
o
n
Th
e
sy
s
t
e
m
mu
s
t
b
e
h
a
v
e
a
s
d
e
scr
i
b
e
d
i
n
t
h
e
f
o
l
l
o
w
i
n
g
u
se
c
a
s
e
w
h
e
n
so
m
e
o
n
e
e
n
t
e
r
s
a
n
e
w
f
a
c
i
l
i
t
y
o
r
t
e
r
m.
Pre
-
c
o
n
d
i
t
i
o
n
Th
e
r
e
q
u
e
st
i
n
g
u
ser
i
s
n
o
t
a
u
t
h
e
n
t
i
c
a
t
e
d
a
n
d
h
a
s a
c
c
e
ss t
o
t
h
e
t
o
o
l
.
P
o
st
-
c
o
n
d
i
t
i
o
n
Th
e
f
a
c
i
l
i
t
i
e
s
w
i
l
l
a
p
p
e
a
r
i
n
a
l
l
t
h
e
s
y
st
e
m
i
n
t
e
r
f
a
c
e
s
me
n
t
i
o
n
e
d
i
n
st
e
p
2
a
n
d
c
a
n
b
e
a
ss
o
c
i
a
t
e
d
t
o
a
n
y
a
c
a
d
e
mi
c
t
e
r
m.
Ex
c
e
p
t
i
o
n
s
S
t
e
p
A
c
t
i
o
n
1
I
f
t
h
e
u
s
e
r
t
r
i
e
s
t
o
a
d
d
a
f
a
c
i
l
i
t
y
t
h
a
t
i
s
a
l
r
e
a
d
y
i
n
t
h
e
sy
s
t
e
m
,
a
n
e
r
r
o
r
m
e
s
sag
e
i
s
d
i
sp
l
a
y
e
d
a
n
d
t
h
e
f
a
c
i
l
i
t
y
w
i
l
l
n
e
e
d
t
o
b
e
mo
d
i
f
i
e
d
.
2
I
f
t
h
e
u
ser
t
r
i
e
s
t
o
a
d
d
a
n
a
c
a
d
e
mi
c
t
e
r
m
i
n
w
h
i
c
h
t
h
e
d
a
t
e
i
s
o
u
t
o
f
t
h
e
d
a
t
e
r
a
n
g
e
s
i
n
c
l
u
d
e
d
i
n
t
h
e
s
y
s
t
e
m,
i
t
w
i
l
l
d
i
s
p
l
a
y
a
m
e
ssa
g
e
e
r
r
o
r
a
n
d
a
s
k
t
h
e
u
ser
t
o
t
r
y
a
g
a
i
n
.
3
.
2
.
Use c
a
s
e
o
f
ex
t
ended r
epo
rt
T
h
e
g
en
er
atio
n
o
f
r
e
p
o
r
ts
,
o
n
ce
all
th
e
co
n
s
u
m
p
tio
n
d
ata
is
s
to
r
ed
f
o
r
ea
ch
m
o
d
u
le,
th
e
u
s
er
m
u
s
t
p
r
ess
th
e
co
r
r
esp
o
n
d
in
g
b
u
tto
n
an
d
ch
o
o
s
e
a
s
p
ec
if
ic
lo
ca
ti
o
n
f
o
r
th
e
d
o
c
u
m
en
t
(
a
W
o
r
d
f
o
r
m
at
is
cr
ea
ted
f
o
r
ea
s
y
ed
itio
n
)
.
T
h
is
p
r
o
ce
s
s
is
h
o
m
o
lo
g
o
u
s
f
o
r
ea
ch
m
o
d
u
le
in
th
e
a
p
p
licatio
n
as
s
ee
n
in
Fig
u
r
e
6
an
d
d
etailed
in
T
ab
le
9
.
R
ep
o
r
ts
a
r
e
g
e
n
er
ated
o
n
th
e
wate
r
c
o
n
s
u
m
p
tio
n
,
h
y
d
r
au
lic
in
v
en
t
o
r
y
,
f
u
el
co
n
s
u
m
p
tio
n
,
co
n
v
en
tio
n
al
an
d
u
n
c
o
n
v
e
n
tio
n
al
waste,
tr
ee
s
,
elec
tr
icity
co
n
s
u
m
p
tio
n
a
n
d
elec
tr
ical
in
v
e
n
to
r
ies m
o
d
u
les.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
5
2
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
,
Vo
l.
25
,
No
.
1
,
J
an
u
ar
y
20
22
:
529
-
5
3
9
536
Fig
u
r
e
6
.
Use c
ase
o
f
e
x
ten
d
e
d
r
ep
o
r
t g
en
e
r
atio
n
T
ab
le
9
.
Use c
ase
d
escr
ip
tio
n
o
f
ex
ten
d
ed
r
e
p
o
r
t
g
en
er
atio
n
RF
-
02
R
e
p
o
r
t
g
e
n
e
r
a
t
i
o
n
R
e
l
a
t
e
d
r
e
q
u
i
r
e
me
n
t
s
RI
-
0
2
G
e
n
e
r
a
t
e
a
l
l
t
h
e
p
r
e
v
i
o
u
s c
a
l
c
u
l
a
t
i
o
n
s
i
n
e
a
c
h
m
o
d
u
l
e
D
e
scri
p
t
i
o
n
Th
e
s
y
st
e
m
mu
s
t
b
e
h
a
v
e
a
s
d
e
scri
b
e
d
i
n
t
h
e
f
o
l
l
o
w
i
n
g
u
s
e
c
a
s
e
w
h
e
n
so
meo
n
e
t
r
i
e
s
t
o
g
e
n
e
r
a
t
e
a
r
e
p
o
r
t
.
Pre
-
c
o
n
d
i
t
i
o
n
Th
e
r
e
q
u
e
st
i
n
g
u
ser
i
s
n
o
t
a
u
t
h
e
n
t
i
c
a
t
e
d
a
n
d
h
a
s a
c
c
e
ss t
o
t
h
e
t
o
o
l
.
P
o
st
-
c
o
n
d
i
t
i
o
n
.
D
O
C
X
f
i
l
e
s
a
r
e
g
e
n
e
r
a
t
e
d
o
f
t
h
e
r
e
p
o
r
t
s i
n
e
a
c
h
m
o
d
u
l
e
Ex
c
e
p
t
i
o
n
s
S
t
e
p
A
c
t
i
o
n
1
I
f
t
h
e
u
ser
t
r
i
e
s
t
o
g
e
n
e
r
a
t
e
t
h
e
r
e
p
o
r
t
o
f
a
mo
d
u
l
e
t
h
a
t
h
a
s
i
n
c
o
r
r
e
c
t
c
a
l
c
u
l
a
t
i
o
n
s,
i
t
w
i
l
l
n
o
t
b
e
g
e
n
e
r
a
t
e
d
p
r
o
p
e
r
l
y
a
n
d
t
h
e
u
ser
w
i
l
l
b
e
a
sk
e
d
t
o
p
e
r
f
o
r
m
d
i
r
e
c
t
c
a
l
c
u
l
a
t
i
o
n
s
i
n
t
h
e
a
p
p
l
i
c
a
t
i
o
n
.
3.
3
.
Use c
a
s
e
o
f
ex
t
ended da
t
a
v
a
lid
a
t
io
n
T
h
e
in
p
u
ttin
g
p
r
o
ce
s
s
o
f
d
ata
r
eq
u
ir
es
a
p
r
ev
i
o
u
s
v
ali
d
atio
n
with
th
e
p
u
b
lic
s
er
v
ices
in
v
o
ices
an
d
t
h
e
in
f
o
r
m
atio
n
p
r
o
v
id
ed
b
y
th
e
p
h
y
s
ical
r
eso
u
r
ce
o
f
f
ice
o
f
t
h
e
Dis
tr
ital
Un
iv
er
s
ity
,
an
d
th
e
in
v
en
to
r
y
tab
les
d
eliv
er
e
d
b
y
ea
ch
f
ac
u
lty
.
T
h
e
u
s
er
th
e
n
p
r
o
ce
ed
s
t
o
d
i
g
italize
th
e
d
ata,
ca
teg
o
r
izi
n
g
it
i
n
ter
m
s
o
f
f
ac
ilit
y
,
ac
ad
em
ic
ter
m
a
n
d
f
ac
u
lty
f
o
r
ea
ch
c
o
r
r
esp
o
n
d
in
g
m
o
d
u
le
.
T
h
e
a
p
p
licatio
n
v
alid
ates
all
th
e
n
u
m
er
ic
an
d
alp
h
an
u
m
e
r
ic
f
o
r
m
ats
o
f
ea
ch
r
ec
o
r
d
an
d
,
i
n
ca
s
e
o
f
an
er
r
o
r
,
th
e
u
s
er
is
ask
ed
to
c
o
r
r
ec
t
i
t.
T
h
e
p
r
o
ce
d
u
r
e
is
s
h
o
wn
in
Fig
u
r
e
7
an
d
d
etaile
d
in
T
ab
le
1
0
.
On
ce
th
e
u
s
e
ca
s
e
s
ce
n
ar
io
s
ar
e
estab
lis
h
ed
in
ter
m
s
o
f
th
e
PIG
A
r
eq
u
ir
em
e
n
ts
,
th
e
n
ex
t
p
h
ase
i
s
th
e
co
d
in
g
p
r
o
ce
s
s
b
y
d
ev
elo
p
in
g
b
u
s
in
ess
r
u
les an
d
a
g
r
a
p
h
ical
in
ter
f
ac
e.
Fig
u
r
e
7
.
Use c
ase
o
f
e
x
ten
d
e
d
d
ata
v
alid
atio
n
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2502
-
4
7
5
2
Desig
n
o
f a
n
e
n
viro
n
men
ta
l
ma
n
a
g
eme
n
t in
f
o
r
ma
tio
n
s
ystem
fo
r
th
e
…
(
E
d
w
in
A
r
tu
r
o
Qu
in
tero
To
r
r
es)
537
T
ab
le
10
.
Descr
ip
tio
n
o
f
th
e
u
s
e
ca
s
e
o
f
ex
ten
d
ed
d
ata
RF
-
03
Ex
t
e
n
d
e
d
d
a
t
a
v
a
l
i
d
a
t
i
o
n
R
e
l
a
t
e
d
r
e
q
u
i
r
e
me
n
t
s
RI
-
0
3
R
e
v
i
e
w
o
f
t
h
e
i
n
p
u
t
d
a
t
a
i
n
e
a
c
h
m
o
d
u
l
e
D
e
scri
p
t
i
o
n
Th
e
sy
s
t
e
m
m
u
st
b
e
h
a
v
e
a
s
d
e
scr
i
b
e
d
i
n
t
h
e
f
o
l
l
o
w
i
n
g
u
s
e
c
a
se
w
h
e
n
t
h
e
u
s
e
r
t
r
i
e
s
t
o
e
d
i
t
,
a
d
d
o
r
d
e
l
e
t
e
d
a
t
a
f
r
o
m
t
h
e
t
o
o
l
Pre
-
c
o
n
d
i
t
i
o
n
Th
e
r
e
q
u
e
st
i
n
g
u
ser
i
s
n
o
t
a
n
a
u
t
h
e
n
t
i
c
a
t
e
d
u
s
e
r
a
n
d
h
a
s
a
c
c
e
ss
t
o
t
h
e
t
o
o
l
P
o
st
-
c
o
n
d
i
t
i
o
n
Th
e
d
a
t
a
i
s
e
d
i
t
e
d
,
a
d
d
e
d
o
r
d
e
l
e
t
e
d
d
e
p
e
n
d
i
n
g
o
n
t
h
e
c
h
o
s
e
n
a
c
t
i
o
n
.
Ex
c
e
p
t
i
o
n
s
S
t
e
p
A
c
t
i
o
n
1
Th
e
e
n
t
e
r
e
d
d
a
t
a
i
s
v
a
l
i
d
a
t
e
d
a
n
d
i
n
c
a
se
o
f
o
v
e
r
w
r
i
t
t
e
n
o
r
r
e
d
u
n
d
a
n
t
d
a
t
a
,
t
h
e
i
n
f
o
r
mat
i
o
n
i
s
n
o
t
st
o
r
e
d
c
o
r
r
e
c
t
l
y
a
n
d
t
h
e
u
ser
i
s re
q
u
e
st
e
d
t
o
e
n
t
e
r
i
t
o
n
c
e
a
g
a
i
n
.
3.
4
.
G
ra
ph
ica
l int
er
f
a
ce
B
u
ild
in
g
th
e
g
r
ap
h
ical
in
ter
f
ac
e
r
eq
u
ir
ed
t
h
e
J
av
a
s
win
g
lib
r
ar
ies
to
d
esig
n
in
ter
f
ac
e
s
an
d
t
h
e
J
f
r
ee
ch
ar
t
lib
r
a
r
y
t
h
at
d
eliv
e
r
s
s
tatis
t
ics
in
clu
d
ed
in
th
e
f
i
n
al
r
ep
o
r
ts
o
f
ea
ch
m
o
d
u
le.
Fig
u
r
e
8
s
h
o
ws
th
e
ac
ce
s
s
m
en
u
o
f
all
m
o
d
u
les
a
n
d
th
e
u
s
er
’s
m
an
u
al.
All
th
e
f
ac
ilit
ies
an
d
ac
ad
em
ic
ter
m
s
ar
e
ad
d
ed
in
th
is
win
d
o
w.
T
h
ese
ca
n
b
e
ed
ited
an
d
d
elete
d
w
h
en
r
e
q
u
ir
ed
as sh
o
wn
in
Fig
u
r
e
9
.
F
ig
u
r
e
8
.
Ma
in
i
n
ter
f
ac
e
o
f
th
e
SGA
-
PIG
A
p
r
o
g
r
am
with
ac
c
ess
m
en
u
F
ig
u
r
e
9
.
Facilities
an
d
ac
ad
e
m
ic
ter
m
s
f
o
r
all
m
o
d
u
les ex
c
ep
t f
o
r
wate
r
a
n
d
e
n
er
g
y
3
.
5
.
Co
s
t
I
n
ter
m
s
o
f
h
u
m
a
n
r
eso
u
r
ce
s
,
th
e
s
o
f
twar
e
d
ev
elo
p
m
en
t
c
o
s
t
was
$
0
US
s
in
ce
it
was
d
ev
elo
p
e
d
u
s
in
g
f
r
ee
s
o
f
twar
e
J
AVA,
a
s
it
is
th
e
r
esu
lt
o
f
u
n
d
er
g
r
ad
u
ate
p
r
o
g
r
am
wo
r
k
.
B
esid
es,
th
e
p
r
o
ject
m
an
ag
er
is
a
p
r
o
f
ess
o
r
at
th
e
Un
i
v
er
s
id
a
d
Dis
tr
ital
an
d
h
is
tim
e
f
ee
s
ar
e
also
o
f
n
o
co
s
t
as
th
ese
ar
e
in
clu
d
e
d
in
t
h
e
m
o
n
th
ly
in
co
m
e.
As
s
u
ch
,
h
u
m
an
r
eso
u
r
ce
s
co
s
ts
r
ep
r
esen
t
n
o
f
ee
s
.
O
n
th
e
o
th
er
h
an
d
,
th
e
ex
p
en
s
es
in
cu
r
r
e
d
ar
e
r
elate
d
to
co
n
s
u
m
a
b
le
item
s
lik
e
s
tatio
n
er
y
,
to
n
er
s
,
an
d
p
en
s
.
Pu
b
lic
u
tili
ties
(
wate
r
,
p
o
we
r
s
u
p
p
ly
)
,
a
n
d
tr
an
s
p
o
r
tatio
n
wh
ic
h
ad
d
e
d
to
ap
p
r
o
x
im
ately
$
3
0
0
US.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
5
2
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
,
Vo
l.
25
,
No
.
1
,
J
an
u
ar
y
20
22
:
529
-
5
3
9
538
R
eg
ar
d
in
g
m
ain
ten
a
n
ce
co
s
ts
,
th
e
s
o
f
twar
e
was
d
eliv
er
ed
to
th
e
s
y
s
tem
s
ad
v
is
o
r
y
o
f
f
i
ce
(
SAO)
wh
ich
is
in
ch
ar
g
e
o
f
t
h
e
Un
i
v
er
s
ity
’
s
s
o
f
twar
e
d
e
v
elo
p
m
e
n
t
,
m
ain
ten
a
n
ce
,
a
n
d
m
an
a
g
em
e
n
t.
T
h
e
d
eliv
e
r
y
o
f
th
e
s
o
f
twar
e
i
n
clu
d
ed
th
e
tr
ain
in
g
o
f
a
n
en
g
in
ee
r
o
f
th
e
SAO.
T
h
e
en
g
i
n
ee
r
h
as
two
h
o
u
r
s
a
wee
k
to
d
ea
l
with
th
e
s
y
s
tem
r
eq
u
ir
em
en
ts
o
f
th
e
en
v
ir
o
n
m
en
tal
m
an
a
g
em
en
t
in
f
o
r
m
atio
n
s
y
s
te
m
,
wh
ich
h
as
a
wee
k
ly
f
ee
o
f
$
5
0
US a
n
d
it is
ch
ar
g
ed
t
o
SAO
w
ith
o
u
t a
f
f
ec
tin
g
t
h
e
d
ep
a
r
tm
en
t´
s
to
tal
b
u
d
g
et.
3
.
6
.
E
v
a
lua
t
i
o
n
Af
ter
th
e
im
p
lem
en
tatio
n
o
f
th
e
to
o
l,
th
e
in
p
u
t
a
n
d
r
ec
o
r
d
i
n
g
tim
es
o
f
th
e
d
ata
ar
e
o
p
tim
ized
as
well
as
th
e
s
tatis
tical
an
aly
s
is
an
d
s
p
ec
if
ic
g
e
n
er
atio
n
o
f
r
ep
o
r
ts
i
n
ea
ch
m
o
d
u
le.
On
t
h
e
o
t
h
er
h
an
d
,
t
h
e
d
is
p
er
s
io
n
,
d
u
p
licity
an
d
lo
s
s
o
f
in
f
o
r
m
at
io
n
h
av
e
b
ee
n
av
o
id
e
d
b
y
u
s
i
n
g
a
ce
n
tr
alize
d
d
atab
ase,
o
n
ly
m
an
ag
ed
th
r
o
u
g
h
th
e
ap
p
licatio
n
.
All
th
e
r
eq
u
ir
em
en
ts
wer
e
d
ec
lar
e
d
b
y
t
h
e
SGA
-
PIG
A
o
f
f
ice
an
d
o
p
tim
i
ze
d
,
th
u
s
s
im
p
lify
in
g
th
e
d
ig
italizatio
n
o
f
th
e
in
f
o
r
m
atio
n
an
d
its
d
is
p
o
s
al
in
th
e
f
in
al
r
ep
o
r
ts
.
On
ce
t
h
e
ap
p
licatio
n
wen
t
in
to
p
r
o
d
u
ctio
n
p
h
ase,
th
e
f
o
llo
wi
n
g
in
f
o
r
m
atio
n
was
o
b
tain
ed
.
R
ep
o
r
t
g
en
er
atio
n
in
th
e
SGA
is
s
ep
ar
ate
f
o
r
ea
ch
m
o
d
u
le.
T
h
e
co
r
r
esp
o
n
d
in
g
ti
m
es f
o
r
th
ese
p
r
o
ce
s
s
es c
h
an
g
ed
d
r
asti
ca
lly
as sh
o
wn
in
T
a
b
le
11
.
As
s
ee
n
in
T
ab
le
11
,
th
e
o
p
t
im
izatio
n
o
f
r
ep
o
r
t
g
e
n
er
atio
n
tim
e
an
d
in
f
o
r
m
atio
n
m
a
n
ag
e
m
en
t
in
th
e
n
ew
to
o
l
is
n
o
t
o
r
io
u
s
.
A
r
ed
u
ctio
n
o
f
9
7
%
was
ac
h
iev
e
d
.
T
h
ese
r
esu
lts
in
h
ig
h
er
f
lex
ib
ili
ty
tim
e
m
ar
g
i
n
s
in
th
e
SGA
-
PIG
A
s
y
s
tem
s
o
th
at
th
e
s
taf
f
ca
n
p
e
r
f
o
r
m
o
th
e
r
ac
tiv
ities
with
in
th
e
o
r
g
an
izatio
n
.
T
ab
le
11
.
R
esu
lts
o
f
r
e
p
o
r
t g
e
n
er
atio
n
Ty
p
e
o
f
t
o
o
l
r
e
p
o
r
t
Ex
c
e
l
I
n
f
o
r
mat
i
o
n
s
y
st
e
m
Ti
me
r
e
d
u
c
t
i
o
n
(
h
o
u
r
s
/
%)
H
y
d
r
a
u
l
i
c
p
o
i
n
t
s
i
n
v
e
n
t
o
r
y
3
2
h
o
u
r
s
1
h
o
u
r
3
1
h
/
9
6
.
8
8
%
A
q
u
e
d
u
c
t
a
n
a
l
y
si
s
a
n
d
r
e
p
o
r
t
1
6
h
o
u
r
s
3
0
mi
n
u
t
e
s
1
5
.
5
h
/
9
6
.
8
8
%
S
u
st
a
i
n
a
b
l
e
p
r
a
c
t
i
c
e
r
e
p
o
r
t
4
0
h
o
u
r
s
1
h
o
u
r
3
9
h
/
9
7
.
5
%
En
e
r
g
y
i
n
v
e
n
t
o
r
y
r
e
p
o
r
t
4
0
h
o
u
r
s
1
.
5
h
o
u
r
s
3
8
.
5
h
/
9
6
.
2
5
%
4.
CO
NCLU
SI
O
N
T
h
e
d
ev
el
o
p
m
en
t
o
f
t
h
e
en
v
i
r
o
n
m
en
tal
m
a
n
ag
em
e
n
t
in
f
o
r
m
atio
n
s
y
s
tem
r
esu
lted
in
c
u
ttin
g
tim
es
f
o
r
v
ar
io
u
s
p
r
o
ce
s
s
es,
wh
ich
allo
wed
s
taf
f
m
em
b
e
r
s
o
f
t
h
e
SGA
-
PIG
A
d
ep
ar
tm
en
t
to
in
cr
ea
s
e
th
e
av
ailab
le
tim
e
f
o
r
o
t
h
er
m
is
s
io
n
al
ac
tiv
ities
an
d
in
cr
ea
s
e
o
v
er
all
v
al
u
e.
T
h
e
d
esig
n
an
d
d
ev
elo
p
m
e
n
t
o
f
a
r
elatio
n
al
d
atab
ase
to
h
an
d
le
in
f
o
r
m
atio
n
r
eg
ar
d
in
g
th
e
ad
m
in
is
tr
ativ
e
s
taf
f
o
f
th
e
in
s
titu
tio
n
is
h
ig
h
ly
b
en
ef
icial
f
o
r
th
e
cu
s
to
m
er
,
b
ea
r
in
g
in
m
in
d
th
at
th
e
p
er
s
is
ten
cy
o
f
i
n
f
o
r
m
a
t
i
o
n
i
s
s
t
r
u
c
t
u
r
e
d
a
n
d
v
i
s
i
b
l
e
f
o
r
a
l
l
a
p
p
u
s
e
r
s
.
T
h
i
s
m
e
a
n
s
t
h
a
t
s
t
a
f
f
m
e
m
b
e
r
s
c
a
n
b
o
t
h
u
s
e
i
n
f
o
r
m
a
t
i
o
n
i
n
a
d
m
in
i
s
t
r
a
ti
v
e
d
e
c
is
i
o
n
-
m
a
k
i
n
g
p
r
o
c
e
s
s
e
s
a
n
d
h
a
v
e
a
n
i
n
f
o
r
m
a
t
i
o
n
r
e
p
o
s
it
o
r
y
t
o
b
e
u
s
e
d
i
n
t
h
e
f
u
t
u
r
e
.
T
o
d
ev
elo
p
th
e
p
r
o
to
ty
p
e
,
d
if
f
er
e
n
t to
o
ls
an
d
tech
n
o
lo
g
ies we
r
e
u
s
ed
.
T
h
e
s
o
f
twar
e
is
o
p
en
s
o
u
r
ce
an
d
th
e
f
r
a
m
ewo
r
k
s
ar
e
c
o
m
m
o
n
l
y
s
ee
n
in
th
e
c
u
r
r
e
n
t
wo
r
k
en
v
ir
o
n
m
e
n
t.
ACK
NO
WL
E
DG
E
M
E
NT
S
T
h
e
a
u
t
h
o
r
s
a
c
k
n
o
w
l
e
d
g
e
t
h
e
s
u
p
p
o
r
t
p
r
o
v
i
d
e
d
b
y
t
h
e
U
n
i
v
e
r
s
i
d
a
d
D
i
s
t
r
i
t
al
F
r
a
n
ci
s
c
o
J
o
s
é
d
e
C
a
l
d
as
.
RE
F
E
R
E
NC
E
S
[
1
]
A
X
ELO
S
,
“
I
TI
L
|
I
T
S
e
r
v
i
c
e
M
a
n
a
g
e
m
e
n
t
|
I
TSM
|
A
X
ELO
S
.
”
(
2
0
2
1
)
.
A
c
c
e
ss
e
d
:
S
e
p
.
1
4
,
2
0
2
1
.
[
O
n
l
i
n
e
]
.
A
v
a
i
l
a
b
l
e
:
h
t
t
p
s
:
/
/
w
w
w
.
a
x
e
l
o
s
.
c
o
m/
c
e
r
t
i
f
i
c
a
t
i
o
n
s
/
i
t
i
l
-
s
e
r
v
i
c
e
-
m
a
n
a
g
e
me
n
t
[
2
]
I
S
A
C
A
,
“
C
O
B
I
T
|
I
S
A
C
A
B
o
g
o
t
á
C
h
a
p
t
e
r
.
”
(
2
0
2
1
)
.
A
c
c
e
sse
d
:
S
e
p
.
1
4
,
2
0
2
1
.
[
O
n
l
i
n
e
]
.
A
v
a
i
l
a
b
l
e
:
h
t
t
p
s:
/
/
i
sa
c
a
b
o
g
o
t
a
.
o
r
g
/
c
o
b
i
t
/
.
[
3
]
Th
e
O
p
e
n
G
r
o
u
p
A
r
c
h
i
t
e
c
t
u
r
e
F
o
r
u
m,
“
T
h
e
TO
G
A
F
®
S
t
a
n
d
a
r
d
,
V
e
r
s
i
o
n
9
.
2
,
a
st
a
n
d
a
r
d
o
f
Th
e
O
p
e
n
G
r
o
u
p
1
.
I
n
t
r
o
d
u
c
t
i
o
n
,
”
T
O
G
AF
9
.
2
.
(
2
0
1
8
)
,
A
c
c
e
sse
d
:
S
e
p
.
1
4
,
2
0
2
1
.
[
O
n
l
i
n
e
]
.
A
v
a
i
l
a
b
l
e
:
h
t
t
p
s
:
/
/
p
u
b
s
.
o
p
e
n
g
r
o
u
p
.
o
r
g
/
a
r
c
h
i
t
e
c
t
u
r
e
/
t
o
g
a
f
9
-
d
o
c
/
a
r
c
h
/
.
[
4
]
O
.
F
.
El
-
G
a
y
a
r
a
n
d
B
.
D
.
F
r
i
t
z
,
“
En
v
i
r
o
n
m
e
n
t
a
l
m
a
n
a
g
e
me
n
t
i
n
f
o
r
ma
t
i
o
n
sy
st
e
ms
(
E
M
I
S
)
f
o
r
su
s
t
a
i
n
a
b
l
e
d
e
v
e
l
o
p
me
n
t
:
A
c
o
n
c
e
p
t
u
a
l
o
v
e
r
v
i
e
w
,
”
C
o
m
m
.
o
f
t
h
e
Asso
c
i
a
t
i
o
n
f
o
r
I
n
f
o
rm
a
t
i
o
n
S
y
st
e
m
s
,
v
o
l
.
1
7
,
p
p
.
7
5
6
–
7
8
4
,
2
0
0
6
,
d
o
i
:
1
0
.
1
7
7
0
5
/
1
c
a
i
s
.
0
1
7
3
4
.
[
5
]
U
n
i
v
e
r
i
s
i
d
a
d
D
i
s
t
r
i
t
a
l
F
r
a
n
c
i
s
c
o
J
o
sé
d
e
C
a
l
d
a
s,
Re
s
o
l
u
c
i
ó
n
2
5
1
d
e
2
0
0
8
.
2
0
0
8
,
p
p
.
1
–
5.
[
6
]
U
n
i
v
e
r
si
d
a
d
D
i
st
r
i
t
a
l
F
r
a
n
c
i
sc
o
J
o
s
é
d
e
C
a
l
d
a
s
,
R
e
so
l
u
c
i
ó
n
4
7
4
d
e
2
0
1
5
.
2
0
1
5
,
p
p
.
1
–
1
0
.
[
7
]
K
.
B
e
c
k
a
n
d
C
.
A
n
d
r
e
s,
"
E
x
t
r
e
me
P
r
o
g
r
a
mm
i
n
g
Ex
p
l
a
i
n
e
d
:
Em
b
r
a
c
e
C
h
a
n
g
e
,"
2
n
d
E
d
i
t
i
o
n
(
T
h
e
X
P
S
e
r
i
e
s)
.
2
0
0
4
.
[
8
]
N
.
Jam
o
u
s
,
“
L
i
g
h
t
-
w
e
i
g
h
t
c
o
m
p
o
si
t
e
e
n
v
i
r
o
n
me
n
t
a
l
p
e
r
f
o
r
ma
n
c
e
i
n
d
i
c
a
t
o
r
s
(
LW
C
-
EPI
)
:
A
n
e
w
a
p
p
r
o
a
c
h
f
o
r
e
n
v
i
r
o
n
me
n
t
a
l
man
a
g
e
me
n
t
i
n
f
o
r
mat
i
o
n
s
y
st
e
ms
(
E
M
I
S
)
,
”
I
n
t
e
r
n
a
t
i
o
n
a
l
J
o
u
r
n
a
l
o
f
I
n
f
o
r
m
a
t
i
o
n
T
e
c
h
n
o
l
o
g
i
e
s
a
n
d
S
y
s
t
e
m
s
A
p
p
ro
a
c
h
,
v
o
l
.
6
,
n
o
.
1
,
p
p
.
2
0
–
3
8
,
2
0
1
3
,
d
o
i
:
1
0
.
4
0
1
8
/
j
i
t
sa.
2
0
1
3
0
1
0
1
0
2
.
[
9
]
M
.
S
c
h
m
i
d
t
,
C
.
P
a
t
t
i
n
s
o
n
,
a
n
d
A
.
K
o
r
,
“
A
w
e
b
-
b
a
se
d
e
n
v
i
r
o
n
m
e
n
t
a
l
t
o
o
l
k
i
t
t
o
su
p
p
o
r
t
smes
i
n
t
h
e
i
m
p
l
e
me
n
t
a
t
i
o
n
o
f
a
n
e
n
v
i
r
o
n
m
e
n
t
a
l
ma
n
a
g
e
m
e
n
t
s
y
s
t
e
m
,
”
i
n
I
n
t
e
r
n
a
t
i
o
n
a
l
S
u
st
a
i
n
a
b
l
e
E
c
o
l
o
g
i
c
a
l
E
n
g
i
n
e
e
ri
n
g
D
e
s
i
g
n
f
o
r
S
o
c
i
e
t
y
(
S
EED
S
)
C
o
n
f
e
re
n
c
e
,
2
0
1
5
,
p
p
.
3
7
4
–
3
9
0
.
[
1
0
]
M
.
G
r
ä
u
l
e
r
,
F
.
T
e
u
t
e
b
e
r
g
,
T
.
M
a
h
mo
u
d
,
a
n
d
J
.
M
a
r
x
G
ó
me
z
,
“
R
e
q
u
i
r
e
me
n
t
s
p
r
i
o
r
i
t
i
z
a
t
i
o
n
a
n
d
d
e
si
g
n
c
o
n
si
d
e
r
a
t
i
o
n
s
f
o
r
t
h
e
n
e
x
t
g
e
n
e
r
a
t
i
o
n
o
f
C
o
r
p
o
r
a
t
e
En
v
i
r
o
n
me
n
t
a
l
M
a
n
a
g
e
m
e
n
t
I
n
f
o
r
mat
i
o
n
S
y
st
e
ms:
A
f
o
u
n
d
a
t
i
o
n
f
o
r
i
n
n
o
v
a
t
i
o
n
,
”
I
n
t
e
r
n
a
t
i
o
n
a
l
J
o
u
rn
a
l
o
f
I
n
f
o
rm
a
t
i
o
n
T
e
c
h
n
o
l
o
g
i
e
s
a
n
d
S
y
s
t
e
m
s A
p
p
r
o
a
c
h
,
v
o
l
.
6
,
n
o
.
1
,
p
p
.
9
8
–
1
1
6
,
2
0
1
3
,
d
o
i
:
1
0
.
4
0
1
8
/
j
i
t
sa.
2
0
1
3
0
1
0
1
0
6
.
[
1
1
]
B
.
N
.
B
e
r
o
,
E.
D
o
e
r
r
y
,
R
.
M
i
d
d
l
e
t
o
n
,
a
n
d
C
.
M
e
i
n
h
a
r
d
t
,
“
C
h
a
l
l
e
n
g
e
s
i
n
t
h
e
d
e
v
e
l
o
p
me
n
t
o
f
e
n
v
i
r
o
n
m
e
n
t
a
l
ma
n
a
g
e
me
n
t
s
y
st
e
ms
o
n
t
h
e
m
o
d
e
r
n
u
n
i
v
e
r
si
t
y
c
a
mp
u
s,
”
I
n
t
e
rn
a
t
i
o
n
a
l
J
o
u
r
n
a
l
o
f
S
u
s
t
a
i
n
a
b
i
l
i
t
y
i
n
H
i
g
h
e
r
E
d
u
c
a
t
i
o
n
,
v
o
l
.
1
3
,
n
o
.
2
,
p
p
.
1
3
3
–
1
4
9
,
2
0
1
2
,
d
o
i
:
1
0
.
1
1
0
8
/
1
4
6
7
6
3
7
1
2
1
1
2
1
1
8
2
7
.
Evaluation Warning : The document was created with Spire.PDF for Python.