Assessment for learning in the mentally handicapped / edited by Peter Mittler.
Contributor(s): Mittler, Peter J | Institute for Research into Mental Retardation.
Material type:
Imprint covered by label: The Williams & Wilkins Co., Baltimore.
"Study group held at the Ciba Foundation, London, under the auspices of the Institute for Research into Mental Retardation."
Includes bibliographies.
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