Ecker Joseph G <br/><br/>
Introduction to operations Research 
Ecker Joseph G; Kupferschmid Micheal 
 - New York  New York, John Wiley  1988 
 - xvii,509 
<br/><br/><label>ISBN: </label>0-471-63362-3 
<br/><br/><label>Source: </label>Textbook