Submitted on: 03 July 2001.
Revised on: 20 August 2001.
Accepted on: 05 October 2001.
___________________Journal of Mathematics Teacher Education
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Submitted on: 22 November 2022.
Revised on: 25 January 2023.
Accepted on: 05 March 2023.
___________________Journal of Mathematics Teacher Education
Submitted on: 23 September 2012.
Revised on: 02 January 2013.
Accepted on: 01 February 2013.
___________________Journal of Mathematics Teacher Education
Submitted on: 24 December 2022.
Revised on: 01 February 2023.
Accepted on: 18 March 2023.
___________________Journal of Mathematics Teacher Education
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Submitted on: 27 February 1998.
Revised on: 17 May 1998.
Accepted on: 12 July 1998.
___________________Journal of Mathematics Teacher Education
Submitted on: 17 February 1998.
Revised on: 19 April 1998.
Accepted on: 29 May 1998.
___________________Journal of Mathematics Teacher Education