000 00312nam a2200121Ia 4500
005 20260325112145.0
008 260325s9999||||xx |||||||||||||| ||und||
082 _a004.6 St18D
100 _aStallings, William
245 0 _aData and computer communications
260 _aNoida
_bPearson Pub.
_c2017
942 _cBK
999 _c270556
_d270556