Parmeswarn,R. <br/><br/>
Computer applications and businees 

 - New delhi  S.Chand and co.  1999 
 - 197p. 
<br/><br/><label>ISBN: </label>81-219-1200-8 
<br/><br/><label>Dewey Class. No.: </label>005.362   Par.N9