Submitted on: 23 April 2004.
Revised on: 25 May 2004.
Accepted on: 20 June 2004.
___________________JOURNAL OF ADVANCED TRANSPORTATION
Submitted on: 15 April 1998.
Revised on: 30 May 1998.
Accepted on: 22 July 1998.
___________________JOURNAL OF ADVANCED TRANSPORTATION
Submitted on: 26 February 2006.
Revised on: 08 June 2006.
Accepted on: 30 July 2006.
___________________JOURNAL OF ADVANCED TRANSPORTATION
Submitted on: 14 December 2003.
Revised on: 05 March 2004.
Accepted on: 26 March 2004.
___________________JOURNAL OF ADVANCED TRANSPORTATION
Submitted on: 14 April 2017.
Revised on: 11 June 2017.
Accepted on: 30 June 2017.
___________________JOURNAL OF ADVANCED TRANSPORTATION
Submitted on: 16 February 2014.
Revised on: 26 March 2014.
Accepted on: 07 May 2014.
___________________JOURNAL OF ADVANCED TRANSPORTATION