Kothari,C.R. <br/><br/>
An introduction to operational research. 

 - 3rd ed. 
 - New Delhi :  Vikas Publishing House Pvt Ltd,  2008. 
 - 522 p.  20 cm. 
<br/><br/><label>ISBN: </label>9780706985672 
<br/><br/><label>Dewey Class. No.: </label>510 KOT