000 00336nam a2200133Ia 4500
005 20260413100501.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aStallings William
245 0 _aData and Computer Communication
260 _bSouth Asia,Pearson
_c2014
300 _a847
942 _cGB
999 _c1609
_d1609