Kalavathy, S <br/><br/>
Operations research 

 - 4th ed. 
 - Noida  Vikas Publishing House  2018 
 - xviii, 532 p. 
<br/><br/> 3389 02/01/2019 HBD19/7720 12/02/2019 Main Budget 
<br/><br/><label>ISBN: </label> RS499 
<br/><br/><label>Dewey Class. No.: </label>658.4034 K124O(4)