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Yater, A., Lamp, R., Barclay, A. & Meindl, J. (1983). Mental growth of noninstitutionalized and institutionalized children with Down's Syndrome. The British Journal of Mental Subnormality 29, 50-56.

Yeates, S. (1994). Letter to the Editor. British Journal Of Developmental Disabilities 40, 170.


Yekutiel, E., Goldberg, J. & Katz, S. (1973). The effects of token reinforcement on the productivity of moderately retarded clients in a sheltered workshop. The British Journal of Mental Subnormality 19, 80-84.


Yekutiel, E. & Katz, S. (1975). The vocational adjustment of graduates of two sheltered workshops for the mentally retarded. British journal of mental subnormality 21, 71-78.


York, R. & Causby, V. (1991). Predictors of success in community placement of persons with mental retardation. The British Journal of Mental Subnormality 37, 25-34.


Young, R. & Clements, J. (1979). The functional significance of complex hand movement stereotypes in the severely retarded. The British Journal of Mental Subnormality 25, 79-87.