C.R  KOTHARI <br/><br/>
AN INTERDOCTION TO OPERATIONAL RESERCH 

 - NEW DELHI  VIKAS PUBLISHING  1992 
<br/><br/><label>ISBN: </label>0-7069-8567-2 
<br/><br/><label>Dewey Class. No.: </label>658.4034  / KOT/A