The Study of Th and U Elements in Bangka Island. PROMINE, [S. l.], v. 5, n. 2, p. 36–41, 2017. DOI: 10.33019/promine.v5i2.916. Disponível em: https://www.journal.ubb.ac.id/index.php/promine/article/view/916. Acesso em: 13 apr. 2026.