Kalakota Ravi Au. <br/><br/>
Frontiers of electronic commerce 

 -  2000 
<br/><br/><label>Standard No.: </label>8907 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D6,8(B),2775, P0