Hudzelyak, Iryna. 2024. “Demographic Development of the Countries of Northern Europe: Current Trends for the Ukrainian Experience”. Visnyk of V. N. Karazin Kharkiv National University. Series Geology. Geography. Ecology, no. 61 (December), 166-79. https://doi.org/10.26565/2410-7360-2024-61-14.