HAAS, K.B. <br/><br/>
PREPARATION AND USE OF AUDIO VISUAL AIDS 

 - 3RD 
 -  PRENTICE HALL, NEW DELHI  1962 
 - 381 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General
<br/><br/><label>Dewey Class. No.: </label> / HAA