Zenz, Gary J <br/><br/>
Purchasing and the management of materials 

 - 6th ed. 
 - New York  John Wiley  1987 
 - xvi, 542p, 23cm 
<br/><br/><label>ISBN: </label>047181802X 
<br/><br/><label>Dewey Class. No.: </label>658.72,  / D, zen