Liller, Fredrick S Liberman, Gerald J <br/><br/>
Introdaution to opartion reseach; Concepts and cares 

 - 8th ed. 
 - New Delhi  Tata McGraw-Hill  2007 
 - xix, 1061p p. 
<br/><br/><label>Dewey Class. No.: </label>658.4034 H55I