GUPTA (Prem kumar); HIRA (D S). <br/><br/>
Operations research. 

 - New Delhi  S Chand & Company Ltd  2013 
 - xii,1418  PB 
<br/><br/><label>ISBN: </label>9788121902819 
<br/><br/><label>Dewey Class. No.: </label>658.4034 GUPP