000 00493nam a2200205Ia 4500
008 191001s9999 xx 000 0 und d
020 _a0000072454
082 _a621.3821
100 _aGary B Shelly
245 0 _aBusiness Data Communications,Ed4
250 _aForth
260 _aNew Delhi
_bCengage
_c2008
536 _aManagement
650 _a Communications,Ed4
650 _a Data
650 _aBusiness
650 _aData communication
700 _aSerwalka
942 _cBK
999 _c24030
_d24030