000 nam a22 7a 4500
999 _c15054
_d15054
020 _a9781259064753
082 _a004.6
_bFOR
100 _aFOROUZAN BEHROUZ A
245 _aDATA COMMUNICATIONS AND NETWORKING
250 _a5TH
260 _aCHENNAI
_bM.G.H.PUB
_c2019
300 _a1226
_bP.B
942 _cLEN_BK