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Submitted on: 15 April 2018.
Revised on: 12 May 2018.
Accepted on: 11 June 2018.
___________________Journal of Policy and Practice in Intellectual Disabilities
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Submitted on: 18 June 2020.
Revised on: 27 August 2020.
Accepted on: 14 October 2020.
___________________Journal of Policy and Practice in Intellectual Disabilities
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Submitted on: 13 September 2016.
Revised on: 11 October 2016.
Accepted on: 05 December 2016.
___________________Journal of Policy and Practice in Intellectual Disabilities
Submitted on: 17 August 2016.
Revised on: 14 October 2016.
Accepted on: 27 November 2016.
___________________Journal of Policy and Practice in Intellectual Disabilities
Submitted on: 28 December 1998.
Revised on: 23 March 1999.
Accepted on: 24 April 1999.
___________________Journal of Policy and Practice in Intellectual Disabilities
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