Gupta, Prem Kumar <br/><br/>
Operations research / 
Prem Kumar Gupta, D. S. Hira 
 - 3rd ed. 
 - New Delhi :  S. Chand & Comp.,  1992 
 - 1055 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>8121902819 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research