DR.KK  CHAWLA  C.SVIJAY GUPTA <br/><br/>
OPERATIONS RESERCH  

 - NEW DELHI  kalyani publishers 
<br/><br/><label>ISBN: </label>978-93-272-4215-7 
<br/><br/><label>Dewey Class. No.: </label>519.72  / CHA/O