FEDIUK, Olexii. THEORETICAL SOCIO-GEOGRAPHIC INVESTIGATIONS IN UKRAINE AT THE BEGINNING OF XXI CENTURY. Ekonomichna ta Sotsialna Geografiya, Kyiv, Ukraine, v. 70, p. 47–58, 2014. DOI: 10.17721/2413-7154/2014.70.47-58. Disponível em: https://www.bulletin-esgeograph.org.ua/esg/article/view/70-fediuk-47-58. Acesso em: 15 jul. 2026.