000 00309nam a2200133Ia 4500
008 220201s2015 xx 000 0 eng d
082 _a658.84
_bGUP
100 _aGupta, Sarika
245 0 _aE-Commerce
250 _a2nd
260 _aNew Delhi
_bKhanna Book Publishing
_c2015
300 _a320
942 _2ddc
999 _c30316
_d30316