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1985 Book Moral issues in mental retardationLaura, Ronald S. and Ashman, Adrian F. (1985). Moral issues in mental retardation. London: Routledge. |
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1978 Book Mental Retardation: Facts and IssuesAshman, A. F, Das, J. P. and Walde, K. (1978). Mental Retardation: Facts and Issues. Canada: Centre for the Study of Mental Retardation, University of Alberta. |
