ZAGOŻDŻON, Beata. Polish railways from the perspective of the European Green Deal. Journal of Management and Financial Sciences, [S. l.], n. 46, p. 65–76, 2023. DOI: 10.33119/JMFS.2022.46.5. Disponível em: https://econjournals.sgh.waw.pl/JMFS/article/view/3196. Acesso em: 3 may. 2024.