Submitted on: 05 September 2008.
Revised on: 18 October 2008.
Accepted on: 26 October 2008.
PHYSICS TEACHER
Submitted on: 06 May 2007.
Revised on: 20 May 2007.
Accepted on: 15 June 2007.
PHYSICS TEACHER
Submitted on: 18 January 2011.
Revised on: 02 February 2011.
Accepted on: 27 February 2011.
PHYSICS TEACHER---AMER ASSN PHYSICS TEACHERS
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Submitted on: 19 August 2011.
Revised on: 26 September 2011.
Accepted on: 09 October 2011.
PHYSICS TEACHER---AMER ASSN PHYSICS TEACHERS
Submitted on: 25 July 2005.
Revised on: 18 August 2005.
Accepted on: 29 August 2005.
PHYSICS TEACHER
Submitted on: 14 March 2009.
Revised on: 07 April 2009.
Accepted on: 29 April 2009.
PHYSICS TEACHER---AMER ASSN PHYSICS TEACHERS
Submitted on: 21 May 2005.
Revised on: 30 June 2005.
Accepted on: 24 July 2005.
PHYSICS TEACHER
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