Prasad Janardan, <br/><br/>
Audio-visual education :  
by Janardan Prasad .  
 - Delhi  Kanishka Publishers, Distributors  2014 
 - 278P. 
<br/><br/><label>ISBN: </label>81-7291-771-X 
<br/><br/><label>Dewey Class. No.: </label>T:3,1  / Q4