KIRIN, R.; BARANOV, P.; KOZIAKOV, I. GEMOLOGICAL LAW OF UKRAINE: FORMATION PROBLEMS AND DEVELOPMENT PROSPECTS. Visnyk of Taras Shevchenko National University of Kyiv. Geology, [S. l.], v. 2, n. 93, p. 6–14, 2025. DOI: 10.17721/1728-2713.93.01. Disponível em: https://geology.bulletin.knu.ua/article/view/959. Acesso em: 14 feb. 2026.