Taha, Hamdy A. <br/><br/>
Oparation research : an introduction   an introduction 

 - 9th ed . 
 - Pearson  New Delhi   2014 
 - 816 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>001.424 Tah