Bachman, John Walter. <br/><br/>
How to use audio-visual materials. 

 - New York :  Association Press,  c[1956] 
 - 60 p. ;  20 cm. 
 - A Leadership library book .
<br/><br/><label>LCCN: </label>56006453 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual education.
<br/><br/><label>LC Class. No.: </label>LB1043  / .B33