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Logistics and Transport > 2021 > Vol. 49-50, No. 1-2 > 85--92
Logistics and Transport > 2020 > 45-46 > 5-18
Logistics and Transport > 2020 > Vol. 45-46, No. 1-2 > 5--18
MIND Journal > 2019 > 8 > 1-11
NETNOMICS: Economic Research and Electronic Networking > 2018 > 19 > 1-2 > 65-93
Journal of International Development > 25 > 8 > 1105 - 1116
Transport Samochodowy > 2013 > z. 2 > 89--98
European Journal of Law and Economics > 2009 > 27 > 2 > 109-127