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Zeszyty Naukowe. Transport / Politechnika Śląska > 2023 > z. 120 > 215--231
LogForum > 2019 > Vol. 15, no. 1 > 39--51
Polish Journal of Management Studies > 2017 > Vol. 15, No. 2 > 82--92
Zeszyty Naukowe. Transport / Politechnika Śląska > 2023 > z. 120 > 215--231
LogForum > 2019 > Vol. 15, no. 1 > 39--51
Polish Journal of Management Studies > 2017 > Vol. 15, No. 2 > 82--92