Zenz. Gary Joseph. <br/><br/>
Purchasing and the management of materials  [Book /] 
GaryJ. Zenz. 
 - 7th. 
 - new york :  John Wiley & Sons inc,  1994. 
 - 730p. ; :  ill ;  24cm. 
<br/><br/><label>ISBN: </label>0471021334 
<br/><br/><label>Dewey Class. No.: </label>658.72 
<br/><br/><label>National Library of Medicine Call No.: </label>658.72  / Z P