Submitted on: 31 January 2005.
Revised on: 17 March 2005.
Accepted on: 11 April 2005.
___________________International Journal of Computer-Assisted Language Learning and Teaching
Submitted on: 02 March 2008.
Revised on: 11 May 2008.
Accepted on: 16 June 2008.
___________________International Journal of Computer-Assisted Language Learning and Teaching
Submitted on: 19 March 2014.
Revised on: 11 April 2014.
Accepted on: 08 May 2014.
___________________International Journal of Computer-Assisted Language Learning and Teaching
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