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Submitted on: 05 February 2018.
Revised on: 22 April 2018.
Accepted on: 10 May 2018.
___________________Journal of Science Teacher Education
Submitted on: 07 February 2013.
Revised on: 03 May 2013.
Accepted on: 02 June 2013.
___________________Journal of Science Teacher Education
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Submitted on: 28 September 2008.
Revised on: 03 December 2008.
Accepted on: 08 January 2009.
___________________Journal of Science Teacher Education
Submitted on: 24 July 2000.
Revised on: 29 September 2000.
Accepted on: 23 November 2000.
___________________Journal of Science Teacher Education
Submitted on: 05 September 2010.
Revised on: 03 December 2010.
Accepted on: 23 December 2010.
___________________Journal of Science Teacher Education
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Submitted on: 08 March 1999.
Revised on: 16 April 1999.
Accepted on: 03 May 1999.
___________________Journal of Science Teacher Education
Submitted on: 08 December 2007.
Revised on: 20 January 2008.
Accepted on: 01 February 2008.
___________________Journal of Science Teacher Education