Hetmanenko, A., V. Khomutov, O. Nikolaieva, and S. Kudelina. “Geodemography As a Component of Population Geography”. Journal of Education, Health and Sport 13, no. 5 (May 31, 2023): 161–168. Accessed January 15, 2025. https://apcz.umk.pl/JEHS/article/view/45922.