Mann, Puja Walia. <br/><br/>
E-commerce/ 
Puja Walia  Mann. 
 - Chennai:  MJP Publishers,  2009. 
 - xviii;389p.: 
<br/><br/><label>ISBN: </label>9788180940712 
<br/><br/><label>Dewey Class. No.: </label>658.00285  MAN.E