GUPTA, Prem Kumar <br/><br/>
Operational research/ 

 - Revised Edition. 
 - New Delhi:  S.Chand & Company Pvt ltd,  c1976. 
 - xii, 1418 p. ;  ill.,  24 cm. 
<br/><br/><label>ISBN: </label>8121902819 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>003