Zenz, Gary Joseph <br/><br/>
Purchasing and the management of materials 
Gary J. Zenz 
 - 5th ed 
 - New York  Wiley  c1981 
 - xiii, 514 p.  ill.  24 cm 
<br/><br/> Fourth ed., by J. H. Westing, I. V. Fine, and G. J. Zenz, published under title: Purchasing management 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial procurement--Management<br/>Materials management
<br/><br/><label>Dewey Class. No.: </label>658.7  / 2