000 00302nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a658.9 MAD:E
100 _aMadan Sushila
245 0 _aE-Commerce B.com Sem-IV
260 _aNew Delhi
_bScholar Tech Press
_c2018
942 _cGB
999 _c30871
_d30871