By Kalavathy, S <br/><br/>
Operations research 

 - 4th 
 - New Delhi  Vikas  2018 
 - xviii; 533p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research
<br/><br/><label>Dewey Class. No.: </label>658.4034  / KAL