Felix, Thomas <br/><br/>
Manda Bhudhikalude Manushyavakasam Thedi 

 - Thiruvananthapuram  Central Institute on Mental Retardation  1993 
 - 254p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 0 
<br/><br/><label>Dewey Class. No.: </label> / F335