http://reply.papertrans.cn/2/165/16488/16488-21.png
Submitted on: 26 October 2013.
Revised on: 27 December 2013.
Accepted on: 14 January 2014.
___________________Journal of E-Learning and Knowledge Society
Submitted on: 28 January 2000.
Revised on: 06 April 2000.
Accepted on: 30 April 2000.
___________________Journal of E-Learning and Knowledge Society
Submitted on: 25 April 2003.
Revised on: 01 June 2003.
Accepted on: 19 June 2003.
___________________Journal of E-Learning and Knowledge Society
Submitted on: 28 September 2016.
Revised on: 02 November 2016.
Accepted on: 28 November 2016.
___________________Journal of E-Learning and Knowledge Society
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Submitted on: 20 May 2023.
Revised on: 16 August 2023.
Accepted on: 15 October 2023.
___________________Journal of E-Learning and Knowledge Society
Submitted on: 05 January 2014.
Revised on: 17 February 2014.
Accepted on: 18 March 2014.
___________________Journal of E-Learning and Knowledge Society
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Submitted on: 07 December 2003.
Revised on: 18 March 2004.
Accepted on: 05 May 2004.
___________________Journal of E-Learning and Knowledge Society