KRUSZYŃSKI, Michał; WANIEWSKA, Agnieszka. Development and sources of financing of railway transport infrastructure in Poland in the years 1990–2016. Transport Economics and Logistics, [S. l.], v. 80, p. 129–137, 2018. DOI: 10.26881/etil.2018.80.14. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/znetil/article/view/2861. Acesso em: 4 may. 2024.