Submitted on: 10 August 2006.
Revised on: 25 September 2006.
Accepted on: 17 October 2006.
___________________Acta Structilia---UNIV FREE STATE, DEPT QUANTITY SURVEYING & CONSTRUCTION MANAGEMENT
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Submitted on: 12 July 1998.
Revised on: 13 September 1998.
Accepted on: 01 November 1998.
___________________Acta Structilia---UNIV FREE STATE, DEPT QUANTITY SURVEYING & CONSTRUCTION MANAGEMENT
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Submitted on: 20 May 2023.
Revised on: 23 June 2023.
Accepted on: 13 August 2023.
___________________Acta Structilia---UNIV FREE STATE, DEPT QUANTITY SURVEYING & CONSTRUCTION MANAGEMENT
Submitted on: 14 November 2005.
Revised on: 26 December 2005.
Accepted on: 16 January 2006.
___________________Acta Structilia---UNIV FREE STATE, DEPT QUANTITY SURVEYING & CONSTRUCTION MANAGEMENT
Submitted on: 01 December 2004.
Revised on: 04 February 2005.
Accepted on: 05 March 2005.
___________________Acta Structilia---UNIV FREE STATE, DEPT QUANTITY SURVEYING & CONSTRUCTION MANAGEMENT