Nytko-Wołoszczuk, Beata. “The Condition and Tendencies in Demographic Structure Transformations in Small Towns of Opole District”. Bulletin of Geography. Socio-economic Series, no. 6 (December 1, 2006): 119–130. Accessed December 12, 2024. https://apcz.umk.pl/BGSS/article/view/2455.