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Economics and Environment > 2024 > no. 1 > 1--25
Energetyka > 2023 > nr 9 > 521--526
Polish Journal of Management Studies > 2023 > Vol. 28. No. 1 > 7--24
Acta Innovations > 2022 > no. 42 > 27--49
Energetyka > 2022 > nr 9 > 451--457