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Submitted on: 24 December 2019.
Revised on: 19 April 2020.
Accepted on: 21 May 2020.
___________________ENGINEERING ECONOMIST---TAYLOR & FRANCIS INC
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Submitted on: 23 June 1999.
Revised on: 13 October 1999.
Accepted on: 13 November 1999.
___________________ENGINEERING ECONOMIST---TAYLOR & FRANCIS INC
Submitted on: 17 September 2023.
Revised on: 16 December 2023.
Accepted on: 02 February 2024.
___________________ENGINEERING ECONOMIST---TAYLOR & FRANCIS INC
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