Gillett Billey,E. <br/><br/>
Introduction to Operations Research 

 - New Delhi  Tata Mcgraw-hill pub.co.Ltd..  1990 
 - xiv,618pg 
<br/><br/><label>ISBN: </label>007099319x 
<br/><br/><label>Dewey Class. No.: </label>658.4034