PRATAMA, Afiq Azfar et al. Validation of The Gravimetry Method for Determining Rare Earth Elements Oxides. EKSPLORIUM, [S. l.], v. 45, n. 1, p. 49–56, 2024. DOI: 10.55981/eksplorium.2024.6972. Disponível em: https://ejournal.brin.go.id/eksplorium/article/view/8168. Acesso em: 6 dec. 2025.