NAZARCZUK, J. M. Regional distance: the concept and empirical evidence from Poland. Bulletin of Geography. Socio-economic Series, [S. l.], n. 28, p. 129–141, 2015. DOI: 10.1515/bog-2015-0020. Disponível em: https://apcz.umk.pl/BGSS/article/view/bog-2015-0020. Acesso em: 21 mar. 2023.