Gupta, Prem Kumar. <br/><br/>
Operations Research/  English. 
Gupta, Prem Kumar. [and] Hira, D.S. 
 - New Delhi:  S. Chand & Company Pvt Ltd.,  2016. 
 - xii, 1498p.:  24cm. 
<br/><br/><label>ISBN: </label>8121902819 
<br/><br/><label>Dewey Class. No.: </label>658.4034  / GUP