00334nam a2200145Ia 4500003000400000005001700004008004100021020001500062082001100077100001900088245003700107250000900144260002500153300001000178TMU20260703111649.0160921s9999    xx            000 0 und d  a8178080575  a658.84  aKalakota, Ravi  aFrontiers of Electronic Commerce  a12th  bPearsonc2004aDelhi  a850p.