Yule William <br/><br/>
Behaviour modification for the mentally handicapped 
Yule William; Carr J 
 - London  Croom Helm        1980 
 - 298p.  cm. 
<br/><br/><label>Standard No.: </label>83,233 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S1:12:86z7, M0