Swani, Satpal. <br/><br/>
Audio Visual Aids in Education / 
By Satpal Swani, Sumitra Swami. 
 - 1st Ed. 
 - New Delhi :  Black Prints,  2013. 
 - xi,234p. ;  00 cm. 
<br/><br/><label>ISBN: </label>9789382036098 
<br/><br/><label>Dewey Class. No.: </label>371.33  / SWA