Swarup,  Kanti <br/><br/>
Operations research 

 - 18th 
 - New Delhi  Sultan Chand and Sons  2015 
 - 1074p. 
<br/><br/> 35506 
<br/><br/><label>ISBN: </label>9789351610496  625 
<br/><br/><label>Dewey Class. No.: </label>658.403 SWA-O