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Submitted on: 04 June 2004.
Revised on: 17 September 2004.
Accepted on: 07 October 2004.
___________________Journal of Green Building---COLLEGE PUBLISHING
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Submitted on: 16 October 2011.
Revised on: 21 November 2011.
Accepted on: 10 January 2012.
___________________Journal of Green Building---COLLEGE PUBLISHING