TY  - BOOK
AU  - Ehlers,Walter H.
AU  - Prothero,Jon C.
AU  - Langone,John
TI  - Mental retardation and other developmental disabilities: a programmed introduction
SN  - 0675098165 (pbk.)
PY  - 1982///
CY  - Columbus
PB  - C.E. Merrill Pub. Co.
KW  - Mental Retardation
KW  - Programmed instruction
KW  - Local
KW  - Mentally handicapped children
KW  - Services for
KW  - United States
KW  - Developmental disabilities
N1  - Includes bibliographies and index
ER  -