Dale, Edgar <br/><br/>
Audiovisual methods in teaching 
<label>/ by </label> Dale, Edgar 
 - 3rd ed. 
 - Illinois  The Dryden Press, Inc.  1969 
 - xii, 719p.  ill. (some col.)  24 cm. 
<br/><br/><label>Dewey Class. No.: </label>371.33  / DAL