Cable, Ralph <br/><br/>
Audio-visual handbook 

 - 3rd ed. 
 - London  University of london Press  1970 
 - 118p. 
<br/><br/><label>ISBN: </label>0340085428 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Methods of instruction
<br/><br/><label>Dewey Class. No.: </label>371.3  / CAB