000 00331nam a2200157Ia 4500
082 _a001.64404/Sta
100 _aStallings, William
526 _dTB
526 _aPG
366 _f20
942 _cBK
245 _aData and computer communications 9th ed
260 _aNew Delhi
_bPearson
_c2014
300 _a864
546 _aE
999 _c76900
_d76900