Bhalla, C. L. <br/><br/>
Audio-visual aids in education / 
C. L. Bhalla 
 - Delhi :  Atma Ram,  c1963 
 - 170 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label> Rs. 7.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual education<br/>Educational technology<br/>Instructional systems--Design
<br/><br/><label>Dewey Class. No.: </label>371.33