SOKOŁOWSKI, D. Changes of service structure in Polish cities during system transformation. Bulletin of Geography. Socio-economic Series, [S. l.], n. 4, p. 183–190, 2005. DOI: 10.1515/2497. Disponível em: https://apcz.umk.pl/BGSS/article/view/2497. Acesso em: 8 jul. 2024.