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Submitted on: 13 June 2023.
Revised on: 14 September 2023.
Accepted on: 13 October 2023.
___________________Deafness & Education International
Submitted on: 29 September 2018.
Revised on: 04 January 2019.
Accepted on: 14 February 2019.
___________________Deafness & Education International
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Submitted on: 30 January 2003.
Revised on: 18 May 2003.
Accepted on: 28 May 2003.
___________________Deafness & Education International
Submitted on: 29 March 2011.
Revised on: 20 June 2011.
Accepted on: 10 July 2011.
___________________Deafness & Education International