000 00271nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a658.80028
_bKAL
100 _aKALKOTA (RAVI)
245 0 _aFRONTIERS OF ELECTRONIC COMMERCE
260 _bPEARSON
_aNEW DELHI
942 _cBB
999 _c9278
_d9278