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Submitted on: 07 March 1998.
Revised on: 07 April 1998.
Accepted on: 18 April 1998.
___________________Journal of Policy and Practice in Intellectual Disabilities
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Submitted on: 13 September 2022.
Revised on: 13 November 2022.
Accepted on: 28 December 2022.
___________________Journal of Policy and Practice in Intellectual Disabilities
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