Swami, Satpal. <br/><br/>
Audio visual aids in education 

 - New Delhi  Black Prints India INC  2013 
 - 234p. 
<br/><br/><label>ISBN: </label> RS 725.00 
<br/><br/><label>Source: </label> RS 725.00 
<br/><br/><label>Dewey Class. No.: </label>371.335 SWA