Early education of the mentally retarded an experimental study

Dades bibliogràfiques
Autors principals:	Kirk, Samuel A. (Samuel Alexander) 1904- (Autor), Karnes, Merle B. (Autor), Graham, Ray (Autor), Sloan, William (Autor)
Format:	Llibre
Idioma:	English
Publicat:	Urbana University of Illinois Press 1958.
Matèries:	Children with mental disabilities > Education.