Gupta ,Prem Kumar <br/><br/>
Operations Research / 
by Prem Kumar Gupta 
 - 1st Ed. 
 - New Delhi:  S. Chand & Company Pvt. Ltd.  2016 
 - 1498 p.  30 cm. 
 - Operations Research  .
<br/><br/><label>ISBN: </label>9788121902816 
<br/><br/><label>Dewey Class. No.: </label> / GUP