Gupta, Prem Kumar. <br/><br/>
Operation Research 
Prem Kumar Gupta, D.S. Mishra 
 - 24th ed. 
 - New Delhi :  S. Chand & Company Ltd,  c2012. 
 - xii, 1418 p.:  [G23] 
<br/><br/><label>ISBN: </label>81219028199 
<br/><br/><label>Dewey Class. No.: </label>658.4032  / GUP/OPE