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Submitted on: 14 November 2014.
Revised on: 30 January 2015.
Accepted on: 28 March 2015.
___________________JOURNAL OF COMMUNICATION DISORDERS
Submitted on: 15 November 2011.
Revised on: 14 January 2012.
Accepted on: 05 February 2012.
___________________JOURNAL OF COMMUNICATION DISORDERS
Submitted on: 27 November 2020.
Revised on: 16 January 2021.
Accepted on: 03 February 2021.
___________________JOURNAL OF COMMUNICATION DISORDERS
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Submitted on: 29 June 2017.
Revised on: 01 August 2017.
Accepted on: 12 August 2017.
___________________JOURNAL OF COMMUNICATION DISORDERS
Submitted on: 18 February 2008.
Revised on: 08 June 2008.
Accepted on: 24 July 2008.
___________________JOURNAL OF COMMUNICATION DISORDERS
Submitted on: 23 September 1999.
Revised on: 19 January 2000.
Accepted on: 07 March 2000.
___________________JOURNAL OF COMMUNICATION DISORDERS