Developments in audio-visual education :  some recent articles. 

 - [Paris, Nendeln :  [Paris, Nendeln :  Kraus reprint ed.,  1963] ; 1971.  1963] ; 1971. 
 - Its. Educational studies and documents ;  no. 50 .
 - Educational studies and documents. First series ;  Educational studies and documents. First series ;  50. .
<br/><br/>Bibliography: p. 25. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual education.