Bhalla, C. L.  <br/><br/>
Audio-visual aids in education / 
C. L. Bhalla. 
 - Delhi :   Atma Ram,  1963. 
 - 170 p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual education.
<br/><br/><label>Dewey Class. No.: </label>371.33  / BHA 1963