,  <br/><br/>
From Darkness to Light 

 - Thiruvananthapuram  Central Institute on Mental Retardation  1992 
 - 221p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 0 
<br/><br/><label>Dewey Class. No.: </label> / F925