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Submitted on: 01 November 2004.
Revised on: 23 November 2004.
Accepted on: 17 December 2004.
___________________INTERNATIONAL JOURNAL OF EDUCATIONAL DEVELOPMENT
Submitted on: 17 December 2009.
Revised on: 13 April 2010.
Accepted on: 06 June 2010.
___________________INTERNATIONAL JOURNAL OF EDUCATIONAL DEVELOPMENT
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Submitted on: 07 August 2010.
Revised on: 25 November 2010.
Accepted on: 22 January 2011.
___________________INTERNATIONAL JOURNAL OF EDUCATIONAL DEVELOPMENT
Submitted on: 26 September 2010.
Revised on: 30 October 2010.
Accepted on: 20 December 2010.
___________________INTERNATIONAL JOURNAL OF EDUCATIONAL DEVELOPMENT
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