Kalavathy, S <br/><br/>
Operations research / 
S Kalavathy 
 - 4th ed. 
 - New Delhi :  Vikas Pub. House,  2014. 
 - xviii, 533 p. 
<br/><br/><label>ISBN: </label>9789325963474 
<br/><br/><label>Dewey Class. No.: </label>658.4034  / KAL