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Submitted on: 28 February 1999.
Revised on: 23 March 1999.
Accepted on: 18 May 1999.
___________________Journal of Property Planning and Environmental Law
Submitted on: 10 November 2008.
Revised on: 02 March 2009.
Accepted on: 27 April 2009.
___________________Journal of Property Planning and Environmental Law
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