SUBAGJA, Rudi; ROHMAN, Arief Dwi; MILANDIA, Anistasia; OEDIYANI, Soesaptri; SETIAWAN, Iwan. A A Preliminary Study of Cobalt Solvent Extraction from Nickel Sulphate Solution Using Organic Extractant-PC-88A. Jurnal Metalurgi, [S. l.], v. 38, n. 1, p. 33–40, 2023. DOI: 10.55981/metalurgi.2023.684. Disponível em: https://ejournal.brin.go.id/metalurgi/article/view/7156. Acesso em: 17 mar. 2026.