Dale, Edgar  <br/><br/>
Audio-visual methods in teaching 

 - Rev. ed. 
 - U.S.A. :   Henry Holt and Co.,   c1959 
 - 534 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>educación audio visual<br/>audio visual-educación
<br/><br/><label>Dewey Class. No.: </label>371.3300 D15