Gupta, Prem Kumar . <br/><br/>
Operations Research /  Textual Documents 
Prem Kumar Gupta & D S Hira. 
 - Reprint / 
 - New Delhi :  S Chand&Company ,  1998. 
 - 1043p ;  18cm. 
<br/><br/><label>Subjects--Index Terms: </label>Operation Research G-economics 
<br/><br/><label>Dewey Class. No.: </label>311  / Gu 959 op