James Hogg & Judy Sebba <br/><br/>
Profound retardation and multiple impairment : vol.II : education and therapy 

 - Croom Helm, London  1986 
 - xi,283p 
<br/><br/><label>ISBN: </label>0-7099-4714-3 
<br/><br/><label>Dewey Class. No.: </label>371.92 Hog/Seb