TROSHENKO, V.; BUBLYK, Yu. VOLCANICS AND RUBY SUMIAKATRA, ISLAND MADAGASCAR. Visnyk of Taras Shevchenko National University of Kyiv. Geology, [S. l.], n. 58, p. 40–46, 2025. Disponível em: https://geology.bulletin.knu.ua/article/view/1891. Acesso em: 15 feb. 2026.