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Submitted on: 23 February 2000.
Revised on: 25 March 2000.
Accepted on: 05 May 2000.
___________________International Journal of Qualitative Studies in Education
Submitted on: 07 April 2009.
Revised on: 29 May 2009.
Accepted on: 22 July 2009.
___________________International Journal of Qualitative Studies in Education