Synthesis of Rare Earth Metal Oxides Based on Monasite Sand with pH Variations. Stannum : Jurnal Sains dan Terapan Kimia, [S. l.], v. 2, n. 2, p. 36–39, 2020. DOI: 10.33019/jstk.v2i2.1953. Disponível em: https://journal.ubb.ac.id/index.php/stannum/article/view/1953. Acesso em: 22 may. 2026.