1.
Forms: Mental Retardation: Definition, Classification, and Systems of Supports
by Ruth Luckasson, Robert L. S...
ISBN: 9780940898837
List Price: $12.95
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Workbook: Mental Retardation (10th Edition)
by Ruth Luckasson, Robert L. S...
ISBN: 9780940898820
List Price: $29.95
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Book, Workbook, and Forms Set: Mental Retardation: Definition, Classification, and Systems o...
by Ruth Luckasson, Robert L. S...
ISBN: 9780940898844
List Price: $122.95