000 00333nam a2200133Ia 4500
005 20250814115355.0
008 250729s9999 xx 000 0 und d
020 _a9788120344662
100 _aBrijendra,Singh
245 0 _aData Communication and Computer Network
260 _aNew Delhi
_bPHI
_c2011
300 _axii,399
942 _cBK
999 _c10348
_d10348