Ravindran, A. <br/><br/>
Operations research: Principles and practice 

 - 2nd Edition 
 - New York  John Wiley  1987 
 - xviii,637p. 
<br/><br/><label>ISBN: </label> USD 12.50 
<br/><br/><label>Source: </label> USD 12.50 
<br/><br/><label>Dewey Class. No.: </label>658.5 RAV