NYTKO-WOŁOSZCZUK, B. The condition and tendencies in demographic structure transformations in small towns of Opole district. Bulletin of Geography. Socio-economic Series, [S. l.], n. 6, p. 119–130, 2006. DOI: 10.1515/2455. Disponível em: https://apcz.umk.pl/BGSS/article/view/2455. Acesso em: 18 jul. 2024.