Submitted on: 18 October 2013.
Revised on: 28 November 2013.
Accepted on: 31 December 2013.
___________________JOURNAL OF ADVANCED TRANSPORTATION
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Submitted on: 07 July 2020.
Revised on: 19 October 2020.
Accepted on: 16 November 2020.
___________________JOURNAL OF ADVANCED TRANSPORTATION
Submitted on: 23 September 2008.
Revised on: 29 December 2008.
Accepted on: 25 February 2009.
___________________JOURNAL OF ADVANCED TRANSPORTATION
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