OLIYNYK, Yaroslav. GEOGRAPHY: DEVELOPMENT TRENDS: Proceedings of the 12th Congress of the Ukrainian Geographical Society. Ekonomichna ta Sotsialna Geografiya, Kyiv, Ukraine, v. 75, p. 3–6, 2016. Disponível em: https://www.bulletin-esgeograph.org.ua/esg/article/view/75-oliynyk-3-6. Acesso em: 15 jul. 2026.