PYLYPENKO, Ihor. THE CORE-PERIPHERAL ORGANIZATION OF SOCIETY AND ADMINISTRATIVE-TERRITORIAL REFORM. Ekonomichna ta Sotsialna Geografiya, Kyiv, Ukraine, v. 73, p. 44–50, 2015. DOI: 10.17721/2413-7154/2015.73.44-50. Disponível em: https://www.bulletin-esgeograph.org.ua/esg/article/view/73-pylypenko-44-50. Acesso em: 15 jul. 2026.