Gupta,Prem Kumar and Hira, D.S. <br/><br/>
Introduction to Operations Research 

 - S Chand and Company Limited  New Delhi  2012 
 - 1195  PB 
<br/><br/><label>ISBN: </label>9788121941006 
<br/><br/><label>Dewey Class. No.: </label>658.403 4 GUP I