Submitted on: 18 June 2012.
Revised on: 09 August 2012.
Accepted on: 08 September 2012.
___________________Journal of Educational Change---SPRINGER
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Submitted on: 25 April 2014.
Revised on: 10 August 2014.
Accepted on: 23 September 2014.
___________________Journal of Educational Change---SPRINGER
Submitted on: 23 December 2006.
Revised on: 06 April 2007.
Accepted on: 19 April 2007.
___________________Journal of Educational Change---SPRINGER
Submitted on: 14 January 2001.
Revised on: 04 May 2001.
Accepted on: 19 June 2001.
___________________Journal of Educational Change---SPRINGER
Submitted on: 28 June 1999.
Revised on: 26 August 1999.
Accepted on: 10 October 1999.
___________________Journal of Educational Change---SPRINGER
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Submitted on: 30 October 2005.
Revised on: 24 December 2005.
Accepted on: 22 February 2006.
___________________Journal of Educational Change---SPRINGER
Submitted on: 23 April 2019.
Revised on: 19 May 2019.
Accepted on: 08 July 2019.
___________________Journal of Educational Change---SPRINGER
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