Gupta, Prem Kumar;Hira, D S. <br/><br/>
Operations research. 

 - 1 
 - New Delhi  S Chand and Company Ltd  2012 
 - xii,1418 
<br/><br/><label>ISBN: </label>8121902819 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations Research
<br/><br/><label>Dewey Class. No.: </label>003 GUPP