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Journal of KONBiN > 2018 > No. 46 > 21--34
Studia Bezpieczeństwa Narodowego > 2018 > R. 8, Nr 13 > 205--219
Journal of KONBiN > 2017 > No. 43 > 241--248
Logistics and Transport > 2012 > Vol. 14, No. 1 > 103-110
Logistics and Transport > 2012 > Vol. 14, No. 1 > 81-101