Sands, Lester B. <br/><br/>
Audio visual procedures in teaching 

 - New york  The Ronald Press Company  1956 
 - vii,670p. 
<br/><br/><label>ISBN: </label> 400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Teaching methods
<br/><br/><label>Dewey Class. No.: </label>371.3  / SAN