Gupta, Prem Kumar <br/><br/>
Operations research/ 
Prem Kumar Gupta and D. S. Hira. 
 - New Delhi:  S. Chand,  2021. 
 - 1498 pages 
<br/><br/><label>ISBN: </label>9788121902816 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research
<br/><br/><label>Dewey Class. No.: </label>001.424  / GUP