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Submitted on: 30 December 2001.
Revised on: 10 April 2002.
Accepted on: 27 April 2002.
___________________Australian Journal of Environmental Education
Submitted on: 23 December 2003.
Revised on: 21 March 2004.
Accepted on: 27 April 2004.
___________________Australian Journal of Environmental Education
Submitted on: 06 September 2005.
Revised on: 20 November 2005.
Accepted on: 08 January 2006.
___________________Australian Journal of Environmental Education
Submitted on: 20 March 2004.
Revised on: 11 June 2004.
Accepted on: 12 July 2004.
___________________Australian Journal of Environmental Education