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Submitted on: 04 October 2023.
Revised on: 11 November 2023.
Accepted on: 24 November 2023.
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT
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Submitted on: 15 March 1999.
Revised on: 24 April 1999.
Accepted on: 21 May 1999.
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT
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Submitted on: 27 June 2006.
Revised on: 30 July 2006.
Accepted on: 27 August 2006.
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT