JIKALAK, M.; CHIJ, V. REGIONAL ASPECTS OF GEOLOGICAL AND ECONOMIC EVALUATION OF NONMETALLIC MINERALS. Visnyk of Taras Shevchenko National University of Kyiv. Geology, [S. l.], n. 57, p. 34–35, 2025. Disponível em: https://geology.bulletin.knu.ua/article/view/1998. Acesso em: 15 feb. 2026.