Prem Kumar Gupta <br/><br/>
Problems in Operations Research: Principles and Solutions 

 - 2nd 
 - New Delhi  S Chand  2018 
 - 1293 
<br/><br/><label>ISBN: </label>9788121909686 
<br/><br/><label>Dewey Class. No.: </label>003 PRE-P