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

 - New Delhi  Vikas  2000 
 - xiv, 506p. 
<br/><br/><label>ISBN: </label>81 259 0832 2 
<br/><br/><label>Dewey Class. No.: </label>519.8  / KAL