HAKIM, Agsel Fauzia et al. Study of Iron and Calcium Removal on Manganese Sulfate Precursors for Battery Cathode Raw Material Applications. Jurnal Metalurgi, [S. l.], v. 39, n. 2, p. 73–78, 2025. DOI: 10.55981/metalurgi.2024.753. Disponível em: https://ejournal.brin.go.id/metalurgi/article/view/16280. Acesso em: 26 jun. 2026.