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Journal of TransLogistics > 2019 > Vol. 5, nr 1 > 223-236
Gospodarka Narodowa. The Polish Journal of Economics > 2018 > 296 > 4 > 125-153
Journal of TransLogistics > 2019 > Vol. 5, nr 1 > 223-236
Gospodarka Narodowa. The Polish Journal of Economics > 2018 > 296 > 4 > 125-153