SOŁTYS, J.; DOROCKI, S. Location of Services as the Basis for Recognising Sub-Regional Centres in Poland and their Hierarchy. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 32, n. 3, p. 237–251, 2018. DOI: 10.24917/20801653.323.15. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/20801653.323.15. Acesso em: 20 apr. 2024.