prem kumar gupta <br/><br/>
operations research 

 -  S CHAND 
 - 1498 
<br/><br/><label>ISBN: </label>9788121902819 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research
<br/><br/><label>Dewey Class. No.: </label>001.424  PRE-O