Dale, Edgar,  1900- <br/><br/>
Audiovisual methods in teaching 

 - 3rd ed. 
 - New York :  Dryden Press,  1969 
 - xii, 719 p. :  ill. (some col.) ;  25 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>ISBN: </label>0030890063 
<br/><br/><label>LCCN: </label>69-019913 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual education