Purchasing :  module III-19. 

 - Geneva:   International Labour Office,   1980.  
 - [42] p. ;  30 cm. 
 - Modular programme for supervisory development .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Purchasing
<br/><br/><label>Dewey Class. No.: </label>658.72