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The Asian Journal of Shipping and Logistics > 2017 > 33 > 3 > 155-165
Renewable and Sustainable Energy Reviews > 2017 > 73 > C > 758-771
Journal of Transport Geography > 2015 > 49 > Complete > 9-15
Transport Policy > 2014 > 32 > Complete > 96-104
Journal of Transport Geography > 2013 > 31 > Complete > 30-34
IT Professional > 2012 > 14 > 6 > 16 - 21
MSIE 2011 > 213 - 217