Key issues in mental retardation research : proceedings of the 8th World Congress of the International Association for the Scientific Study of Mental Deficiency (IASSMD) : Dublin, Ireland, 21-25 Agust 1988 /
International Association for the Scientific Study of Mental Deficiency.Congress(8th :1988 :Dublin, Ireland)
Fraser, William I.(William Irvine)
World Health Organization.
London ; New York : Routledge,
1990.
Includes bibliographies and indexes.
Mental retardation
People with mental disabilities