Submitted on: 21 August 2004.
Revised on: 02 November 2004.
Accepted on: 12 December 2004.
___________________JOURNAL OF ENVIRONMENTAL EDUCATION
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Submitted on: 15 February 2003.
Revised on: 19 May 2003.
Accepted on: 13 July 2003.
___________________JOURNAL OF ENVIRONMENTAL EDUCATION
Submitted on: 12 February 2017.
Revised on: 19 April 2017.
Accepted on: 02 May 2017.
___________________JOURNAL OF ENVIRONMENTAL EDUCATION
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