Descriptor
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Mental Retardation | 2 |
Author
Cleland, Charles C. | 2 |
Swartz, Jon D. | 1 |
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Cleland, Charles C. – Mental Retardation, 1974
Descriptors: Demography, Employment Patterns, Exceptional Child Services, Facilities

Cleland, Charles C.; Swartz, Jon D. – Mental Retardation, 1970
Descriptors: Comparative Analysis, Exceptional Child Research, Facilities, Institutional Personnel