TOPCHIIEV Оleksandr; MALCHYKOVA, Daria; SYCH, Vitaliy; PYLYPENKO, Ihor; YAVORSKA, Viktoriia. SYSTEM OF GEOGRAPHICAL SCIENCES: UKRAINIAN EXPERIENCE IN THE CONTEXT OF MODERN SUBJECT TRANSFORMATION). Ekonomichna ta Sotsialna Geografiya, Kyiv, Ukraine, v. 83, p. 4–11, 2020. DOI: 10.17721/2413-7154/2020.83.4-11. Disponível em: https://www.bulletin-esgeograph.org.ua/esg/article/view/83-topchiiev-et-al-4-11. Acesso em: 15 jul. 2026.