Harcharan Singh <br/><br/>
Comparative study of intelligence of deaf and dumb children and non leaf and dumb children of 12 to 15 years range on Bhatia Battery of performance tests of intelligence 

 -  1963 
 - University of Delhi , Psychology (Dept. of ) Master of Arts Psychology dissertation .
<br/><br/><label>Standard No.: </label>89,128 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T67:5,1N32, K3