Dobler, Donald W.. <br/><br/>
Purchasing and Materials Management /  

 - Fourth Ed. /  
 - New York :   McGraw-Hill Book Company ,   1981 
 - p796 :  
<br/><br/><label>ISBN: </label>0-07-037042-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>X:89U  / M4