Submitted on: 10 December 2003.
Revised on: 05 March 2004.
Accepted on: 25 March 2004.
___________________JOURNAL OF REGIONAL SCIENCE---WILEY
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Submitted on: 09 June 2000.
Revised on: 26 September 2000.
Accepted on: 10 November 2000.
___________________JOURNAL OF REGIONAL SCIENCE---WILEY
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Submitted on: 20 October 2019.
Revised on: 22 January 2020.
Accepted on: 15 February 2020.
___________________JOURNAL OF REGIONAL SCIENCE---WILEY
Submitted on: 21 March 2000.
Revised on: 16 June 2000.
Accepted on: 04 August 2000.
___________________JOURNAL OF REGIONAL SCIENCE---WILEY
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