Mental Retardation and other developmental disabilities : a programmed introduction /
Ehlers, Walter. H.
Mental Retardation and other developmental disabilities : a programmed introduction / Walter H. Ehlers ,Jon C. Prothero and John Langone. - 3 rd ed. - London : Chaeles E. Merrill Publishing Company, 1982. - xi, 191 p. : ill. ; 24 cm.
Includes bibliographical references.
0675098165
Intellectual disability --Programmed instruction.
Developmental disabilities --Programmed instruction.
Children with mental disabilities --Services for --United States--Programmed instruction.
616.8588 EHL
Mental Retardation and other developmental disabilities : a programmed introduction / Walter H. Ehlers ,Jon C. Prothero and John Langone. - 3 rd ed. - London : Chaeles E. Merrill Publishing Company, 1982. - xi, 191 p. : ill. ; 24 cm.
Includes bibliographical references.
0675098165
Intellectual disability --Programmed instruction.
Developmental disabilities --Programmed instruction.
Children with mental disabilities --Services for --United States--Programmed instruction.
616.8588 EHL