“Analisis Perbandingan Kadar MgO Dan SiO2 Pada Nikel Kadar Rendah Di Kabupaten Kolaka Dan Kabupaten Kolaka Utara”. Jurnal Geomine 10, no. 01 (April 30, 2022): 43–50. Accessed June 28, 2025. https://jurnal.fti.umi.ac.id/index.php/JG/article/view/1506.