NYTKO-WOŁOSZCZUK, B. The standards of living in small towns of Opole province in the light of particular indexes. Bulletin of Geography. Socio-economic Series, [S. l.], n. 4, p. 141–152, 2005. DOI: 10.1515/2494. Disponível em: https://apcz.umk.pl/BGSS/article/view/2494. Acesso em: 8 jul. 2024.