Gupta, Himanshu <br/><br/>
Operations Research 

 - 4th ed. 
 - Ludhiana  Kalyani Pub  2008 
 - 343p. p. 
<br/><br/><label>ISBN: </label>9788127241834 
<br/><br/><label>Dewey Class. No.: </label>003 G959O