Council for Exceptional Children. Division on Mental Retardation and Developmental Disabilities. (1966). Education and training of the mentally retarded. Division on Mental Retardation, Council for Exceptional Children.
Chicago-viite (17. p.)Council for Exceptional Children. Division on Mental Retardation and Developmental Disabilities. Education and Training of the Mentally Retarded. [Reston, Va.: Division on Mental Retardation, Council for Exceptional Children, 1966.
MLA-viite (8. p.)Council for Exceptional Children. Division on Mental Retardation and Developmental Disabilities. Education and Training of the Mentally Retarded. Division on Mental Retardation, Council for Exceptional Children, 1966.
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