Gaither, Norman <br/><br/>
Operation management 
Norman Gaither, Greg Frazier. 
 - 9th ed. 
 - Singapore  Thomson Asia  2002 
 - xiv, 811p., 24cm. 
<br/><br/><label>ISBN: </label>981-240-384-1. 
<br/><br/><label>Dewey Class. No.: </label>658.5  / G12O