Submitted on: 09 November 2001.
Revised on: 02 January 2002.
Accepted on: 05 February 2002.
___________________Augmentative and Alternative Communication
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Submitted on: 12 June 2017.
Revised on: 23 September 2017.
Accepted on: 24 October 2017.
___________________Augmentative and Alternative Communication
Submitted on: 03 July 2019.
Revised on: 17 October 2019.
Accepted on: 05 December 2019.
___________________Augmentative and Alternative Communication
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Submitted on: 23 February 2011.
Revised on: 08 May 2011.
Accepted on: 23 May 2011.
___________________Augmentative and Alternative Communication
Submitted on: 09 June 2018.
Revised on: 17 August 2018.
Accepted on: 13 October 2018.
___________________Augmentative and Alternative Communication
Submitted on: 14 September 2014.
Revised on: 01 December 2014.
Accepted on: 13 January 2015.
___________________Augmentative and Alternative Communication
Submitted on: 08 December 2014.
Revised on: 13 January 2015.
Accepted on: 13 February 2015.
___________________Augmentative and Alternative Communication
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