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
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Rannpháirtithe: | |
Formáid: | LEABHAR |
Teanga: | English |
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London
Routledge
1990.
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Ábhair: |