The integration of mentally retarded persons into society : D.M.G. Beasley.

Dahkki Beasley, D. M. G. (Donald Maurice Geddes), 1920-
Almmustuhtton 1980

Self advocacy by mentally retarded persons : a New Zealand study /

Dahkki Howie, Dorothy R. (Dorothy Ruth), 1945-
Almmustuhtton 1986

The Seminar on Educational and Vocational Opportunities for Mentally Retarded Children and Adults, Burma Lodge, Wellington, 18, 19, 20 May 1981 : seminar addresses.

Almmustuhtton 1982

Standards for residential services.

Almmustuhtton 1980