Helping the mentally retarded acquire play skills a behavioral approach

Detalhes bibliográficos
Autor principal:	Wehman, Paul
Outros Autores:	Abramson, Marty
Formato:	Livro
Idioma:	English
Publicado em:	Springfield, Illinois C. C. Thomas Pub. c1977 .
Assuntos:	Mentally handicapped > Recreation.