00338nam a2200121Ia 4500008004100000040001700041041001200058082001600070100003400086245005000120260003500170300001100205230917s9999||||xx |||||||||||||| ||und||  e108426aMAIN  aEnglish  a004.6 T841E  aTurban , efraim, et....... al 0aElectronic commerce: a management perspective  aDelhibPearson Educationc2003  a520 p.