WAGNER , Harvey M. <br/><br/>
Principles of operations research 

 - 2nd. 
 - Newdelhi  Prentice hall of India  1996 
 - 1039p. 
<br/><br/><label>ISBN: </label>81 203 016205 
<br/><br/><label>Dewey Class. No.: </label>658.4034