000 00230nam a2200097Ia 4500
008 170619s9999 xx 000 0 und d
100 _aKalakota- Ravi
245 0 _aElectronic commerce
260 _bSingapore Pearson Pub.
260 _c2000
546 _aENGLISH
999 _c21815
_d21815