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Submitted on: 15 April 1999.
Revised on: 27 May 1999.
Accepted on: 20 June 1999.
___________________Built Environment Project and Asset Management
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Submitted on: 28 November 2016.
Revised on: 19 March 2017.
Accepted on: 18 May 2017.
___________________Built Environment Project and Asset Management
Submitted on: 13 October 2002.
Revised on: 17 December 2002.
Accepted on: 14 January 2003.
___________________Built Environment Project and Asset Management
Submitted on: 07 March 2009.
Revised on: 18 April 2009.
Accepted on: 28 May 2009.
___________________Built Environment Project and Asset Management
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