Coppen, Helen  <br/><br/>
Survey of BritIsh Research in Audio-Visual Aids 1945-1971 

 - London  National Committee for Audio-Visual Aids in education  1972 
 - 271p  22cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abstracts   <br/>Great Britain -- Bibliography <br/>Bibliographies<br/>Audio-visual education -- Great Britain <br/>Audio-visual education
<br/><br/><label>Dewey Class. No.: </label>371.33 C785s