Sen A K <br/><br/>
Cultural deprivation and mental retardation. 

 - New Delhi  Northern Book       1984 
 - 39p.  cm. 
<br/><br/><label>Standard No.: </label>130160 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>S62, M4