Home › Authors › Ruth A. Luckasson 👤 Ruth A. Luckasson 3 books Books by Ruth A. Luckasson Mental Retardation Workbook Mental Retardation Workbook 1992 Retardacion Mental: Definicion Retardacion Mental: Definicion, Clasificacionk, Y Sistemas De Apoyo 1992 Transitions to adult life for people with mental retardation 1988
