Gupta,Prem Kumar <br/><br/>
Operations Research 

 - 7th 
 - New Delhi  S.Chand and com  2022 
 - 1498p 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9788121902816 
<br/><br/><label>Dewey Class. No.: </label>003