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

 - NewYork  Holt, Rinehart and Winston  1969 
 - xiii,719p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Visual education
<br/><br/><label>LC Class. No.: </label>LB1043.D3