The educational administrator and instructional materials. 

 - Paris :  Unesco,  1984. 
<br/><br/> "ICEM and Unesco requested Jean Valerien ... to draw up this study"--P. 5.  "ED-83/D.148/A"--P. [184]  Includes index. 
<br/><br/>Bibliography: p. 179-180. 
<br/><br/><label>ISBN: </label>9231022024 
<br/><br/><label>LCCN: </label>85178080 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instructional materials centers.<br/>Audio-visual materials.<br/>Comparative education.
<br/><br/><label>LC Class. No.: </label>LB3044  / .V35 1984