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1985 Book The education and training of the mentally retarded: recent advancesAshman, Adrian F. and Laura, Ronald S. (1985). The education and training of the mentally retarded: recent advances. London: New York: Croom Helm: Nichols. |
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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. |
