New educational media in action: case studies for planners 3 

 - Paris  Unesco:IIPE  1967 
 - 198p  24cm 
 -  vol.3 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audiovisual materials<br/>Teaching Materials<br/>Teaching Aids and devices
<br/><br/><label>Dewey Class. No.: </label>371.33 U56n