KALAVATHY,S <br/><br/>
Operations Research 

 - 4th Ed. 
 -  Vikas Publishing House Pvt. Ltd. 576 , Masjid Road,Jangpura  2015 
 - 533P 
<br/><br/><label>ISBN: </label>9789325963474 
<br/><br/><label>Dewey Class. No.: </label>658.4034  / KAL/O