Gupta, Premkumar <br/><br/>
Introduction to operations research 

 - New Delhi  S.Chand & company  1995 
 - 453p. 
<br/><br/><label>ISBN: </label>81-219-0810-8 
<br/><br/><label>Subjects--Index Terms: </label>Operations research 
<br/><br/><label>Dewey Class. No.: </label>519.8  / Gup