000 00291nam a22001217a 4500
003 AUM
020 _a9788120349070
100 _aSingh, Brijendra
245 _aData Communications and Computer Networks
250 _a4 th.
260 _aNew delhi
_bPHI Learning Pvt.Ltd.
_c2014
942 _2ddc
_cBK
999 _c9230
_d9230