Yudomustafa, Fakhruddin, Eni Febriana, Wahyu Mayangsari, Nurhayati Indah Ciptasari, Ari Yustisia Akbar, Hendrik, Soesaptri Oediyani, and Agus Budi Prasetyo. “Study on Leaching Lanthanum From Ferronickel Slag With Pretreatment Alkaline Fusion”. Jurnal Metalurgi 39, no. 2 (June 23, 2025): 89–96. Accessed June 26, 2026. https://ejournal.brin.go.id/metalurgi/article/view/16277.