Gupta Prem Kumar <br/><br/>
Operations Research 

 -  "S.Chand & Company Pvt Ltd, New Delhi"  2014 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>9788121902816 
<br/><br/><label>Dewey Class. No.: </label>658.5  / GUP/HIR