SMUTCHAK, Zinaida; TSINARIDZE, Ramin; BURLAIENKO, Tetiana; DUBININA, Oksana. Demographic Security and Sustainable Development of Ukraine in the Conditions of Active Migration of the Population . Problemy Ekorozwoju / Problems of Sustainable Development, [S. l.], v. 20, n. 2, p. 71–85, 2025. DOI: 10.35784/preko.7140. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/7140. Acesso em: 16 dec. 2025.