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

 - 4th ed. 
 - New Delhi. :  Vikas Publishing Pvt.Ltd ,  2022. 
 - xviii , 533p. ;  Paper Back  23cm. 
<br/><br/> Contents 
<br/><br/><label>ISBN: </label>9789325963474 
<br/><br/><label>Dewey Class. No.: </label>003  / KAL