Gupta P K. Hira, D S <br/><br/>
Operations research 

 -  New Delhi : Sultan Chand,  1997 
 - xiv+1055 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research
<br/><br/><label>Dewey Class. No.: </label>001.424  GUP