00293nam a2200109Ia 4500008004100000041000800041082001500049100001800064245004500082260003900127300001700166240624s9999    xx            000 0 und d  aeng  a658.84 TUR  aTURBAN EFRAIM  aELECTRONIC COMMERCE A MANAGERIAL PERSPEC  c2004aNew DelhibPearson Education  axxxii, : 520