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Submitted on: 10 February 2006.
Revised on: 29 April 2006.
Accepted on: 14 June 2006.
___________________JOURNAL OF ADVANCED TRANSPORTATION
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Submitted on: 16 June 2023.
Revised on: 16 July 2023.
Accepted on: 23 August 2023.
___________________JOURNAL OF ADVANCED TRANSPORTATION
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Submitted on: 11 February 2005.
Revised on: 22 March 2005.
Accepted on: 19 April 2005.
___________________JOURNAL OF ADVANCED TRANSPORTATION