Gupta, P. K. <br/><br/>
Operations research /  
P. K. Gupta, D. S. Hira 
 - 7th ed. 
 - New Delhi:  S. Chand & Co.,  2018. 
 - xii, 1498 pages:  25 cm. 
<br/><br/><label>ISBN: </label>9788121902816 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research
<br/><br/><label>Dewey Class. No.: </label>658.4034  / GUP