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

 - New york  Holt, Rinehart and Winston  1962 
 - ix,534p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Teaching methods
<br/><br/><label>Dewey Class. No.: </label>371.3  / DAL