Page 51 of 51
Home
Start
Back
Next
End
58
Gambar 2.12
P
a
r
a
l
l
e
l
A
cti
v
i
t
ie
s
Ind
ic
a
te
d
Us
i
ng
F
o
r
k
A
nd
J
o
i
n Nod
e
s
.
Sumber :
B
e
nn
et
t
e
t
al
(p243)
