000
00257nam a2200097Ia 4500
008
170821s2017 xx 000 0 und d
100
_a
Kumari,naveen
245
0
_a
Data Communication & Networks
260
_a
New Delhi
_b
S.K. KATARIA & SONS
942
_2
ddc
_c
BK
999
_c
292617
_d
292617