Gupta, Prem Kumar <br/><br/>
Operations research/  an introduction 
Prem Kumar Gupta and D S Hira. 
 - New Delhi:  S Chand Comp..,  1987 
 - 918p. :  ill. ;  21cm. 
<br/><br/>Include Appendix and index 
<br/><br/><label>ISBN: </label>8121908219 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research.
<br/><br/><label>Dewey Class. No.: </label>658.4034  / GUP