Kanti Swarup, P K Gupta, Man Mohan <br/><br/>
Operations research 

 - 8th Rev ed 
 - Sultan Chand, New Delhi  1997 
 - xiv,813 
<br/><br/><label>ISBN: </label>81-7014-216-4 
<br/><br/><label>Dewey Class. No.: </label>658.4034 Swa