Electronic commerce  a managerial perspective 
Efraim Turban . [et al]. 
 - Delhi  Pearson Education  2002 
 - xxxii, 520p., 25cm. 
<br/><br/><label>ISBN: </label>81-7808-362-0. 
<br/><br/><label>Dewey Class. No.: </label>384.34  / E45E