TUROŃ, K.; SIERPIŃSKI, G. Selected solutions of environmentally- friendly urban transport systems. Economic and Environmental Studies, [S. l.], v. 18, n. 4 (48), p. 1381–1396, 2020. DOI: 10.25167/ees.2018.48.11. Disponível em: https://czasopisma.uni.opole.pl/index.php/ees/article/view/2807. Acesso em: 4 nov. 2024.