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Research to practice in mental retardation : [proceedings of the fourth congress of the International Association for the Scientific Study of Mental Deficiency, Washington, D.C., U.S.A., 22-27 August, 1976, the American University] / edited by Peter Mittler ; technical editor, Jean M. de Jong

Material Type Books
ID 1000001347
Publisher Baltimore : University Park Press
Year c1977
Size 3 v. : ill. ; 24 cm

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