Hira, D S <br/><br/>
Operations research 

 - 7th ed. 
 - New Delhi  S Chand  2018 
 - xii, 1498 p. 
<br/><br/> 3389 02/01/2019 HBD19/7721 12/02/2019 Main Budget 
<br/><br/><label>ISBN: </label> RS650 
<br/><br/><label>Dewey Class. No.: </label>658.4034 G959O(7)