000 00285nam a2200121Ia 4500
020 _a9788131715369
082 _a004.6
100 _aSTALLINGS WILLIAM
245 _aDATA AND COMPUTER COMMUNICATION [9788131715369]
250 _a8TH
260 _aNEW DELHI
_b PEARSON
_c2007
942 _cBK
999 _c6801
_d6801