Karthikeyan, C <br/><br/>
Audio-visual aids & education 

 - New Delhi  Dominant Publishers & Distributors  2015 
 - xi,292p. 
<br/><br/><label>ISBN: </label> RS 875.00 
<br/><br/><label>Source: </label> RS 875.00 
<br/><br/><label>Dewey Class. No.: </label>371.335 KAR