BALABANOV, Gennady. MODERN UKRAINE THROUGH CROSS-BORDER POPULATION FLOWS. Ekonomichna ta Sotsialna Geografiya, Kyiv, Ukraine, v. 71, p. 10–17, 2015. DOI: 10.17721/2413-7154/2015.71.10-17. Disponível em: https://www.bulletin-esgeograph.org.ua/esg/article/view/71-balabanov-10-17. Acesso em: 15 jul. 2026.