By Schalock Robert   in Journal of Intellectual & Developmental Disability

ISSN:1469-9532|18|4|201-208

Informa Healthcare‎(1993)‎

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By Keith Kenneth   Heal Laird   Schalock Robert   in Journal of Intellectual & Developmental Disability

ISSN:1469-9532|21|4|273-293

Informa Healthcare‎(1996)‎

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By Claes Claudia   Hove Geert   Loon Jos   Vandevelde Stijn   Schalock Robert   in Social Indicators Research

ISSN:0303-8300|98|1|61-72

Springer Publishing Company ‎(2010)‎

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