Brown, James W. and others <br/><br/>
A.v instruction  : materials and methods 

 - 2nd ed. 
 - London  ; Mcgraw Hill  , 1964 
 - 188p. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Methods Of Instruction
<br/><br/><label>Dewey Class. No.: </label>371.3  / BRO