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Submitted on: 05 April 2006.
Revised on: 12 May 2006.
Accepted on: 17 May 2006.
TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW
Submitted on: 29 February 2000.
Revised on: 03 April 2000.
Accepted on: 11 April 2000.
TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW
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http://reply.papertrans.cn/3/299/29864/29864-35.png
Submitted on: 01 October 2018.
Revised on: 24 October 2018.
Accepted on: 12 November 2018.
TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW