Gupta, P. K. <br/><br/>
Operations research 

 - 7th 
 - New Delhi  S. Chand  2022 
 - xii, 1498 
<br/><br/><label>ISBN: </label>9788121902816 
<br/><br/><label>Dewey Class. No.: </label>658.4034  / GUP