OLIYNYK, Yaroslav; NICH, Tetiana; GOLUB, Gennadiy. THE ACTIVITY OF REGIONAL POPULATION: PRINCIPLES OF FORMATION AND STRUCTURE. Ekonomichna ta Sotsialna Geografiya, Kyiv, Ukraine, v. 71, p. 3–9, 2015. DOI: 10.17721/2413-7154/2015.71.3-9. Disponível em: https://www.bulletin-esgeograph.org.ua/esg/article/view/71-oliynyk-et-al-3-9. Acesso em: 15 jul. 2026.