Swarup, Kanti, et. al. <br/><br/>
Operations research 

 -   Sulthan Chand & Sons, New Delhi  2003 
 - 747 
<br/><br/><label>ISBN: </label>2573 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mathematical programming; Applied mathematics
<br/><br/><label>Dewey Class. No.: </label>519.7  SWA-O