Submitted on: 19 November 2000.
Revised on: 26 December 2000.
Accepted on: 11 January 2001.
___________________International Journal of Education and Information Technologies
Submitted on: 25 December 2017.
Revised on: 14 February 2018.
Accepted on: 16 March 2018.
___________________International Journal of Education and Information Technologies
Submitted on: 05 February 2023.
Revised on: 19 March 2023.
Accepted on: 24 April 2023.
___________________International Journal of Education and Information Technologies
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Submitted on: 28 October 2012.
Revised on: 10 January 2013.
Accepted on: 04 March 2013.
___________________International Journal of Education and Information Technologies
Submitted on: 27 September 2013.
Revised on: 02 January 2014.
Accepted on: 01 February 2014.
___________________International Journal of Education and Information Technologies
Submitted on: 20 April 2024.
Revised on: 22 May 2024.
Accepted on: 06 July 2024.
___________________International Journal of Education and Information Technologies
Submitted on: 04 September 1998.
Revised on: 26 October 1998.
Accepted on: 10 December 1998.
___________________International Journal of Education and Information Technologies
Submitted on: 24 September 2009.
Revised on: 13 November 2009.
Accepted on: 10 January 2010.
___________________International Journal of Education and Information Technologies
Submitted on: 03 August 1999.
Revised on: 21 November 1999.
Accepted on: 11 January 2000.
___________________International Journal of Education and Information Technologies