Jefffree, Dorothy M. <br/><br/>
The education of children and young people who are mentally handicapped / 
Dorothy M. Jefree 
 - Paris:  unesco,  1986. 
 - 79 p. : 
 - Guides for special education  No. 1 .
<br/><br/> Includes acknowledgement 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Special education<br/>Handicapped children