Pankaj, S. <br/><br/>
E-commerce / 
S Pankaj 
 - New Delhi :  APH Pub.,   ©2005. 
 - 362 p.   22 cm. 
<br/><br/><label>ISBN: </label>8176488054; 9788176488051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic commerce.   ;  Digital signatures. 
<br/><br/><label>Universal Decimal Class. No.: </label>381.142