000 00253nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aGupta (V P) and Sharma (M C)
245 0 _aE-Commerce
250 _a1
260 _bRBD BOOKS
942 _2ddc
_cSCIENCE
999 _c19830
_d19830