Smutchak, Zinaida, Ramin Tsinaridze, Tetiana Burlaienko, and Oksana Dubinina. 2025. “Demographic Security and Sustainable Development of Ukraine in the Conditions of Active Migration of the Population ”. Problemy Ekorozwoju 20 (2):71-85. https://doi.org/10.35784/preko.7140.