00305nam a2200109Ia 4500008004100000082001800041100003800059245003700097250000900134260004400143300000800187240913s9999||||xx |||||||||||||| ||und||  a658.84  KAL/F  aRavi Kalakota and Andrew B Winson 0aFrontiers of Electronic Commerce  aNULL  bPearson Education AsiaaNew Delhic2009  a864