Studi Perbandingan Kadar Ni dan Fe Berdasarkan Sampel Cek Pit dan Sampel Cek Stock Pile Mining Nikel pada PT. Bintangdelapan Mineral Sulawesi Tengah. Ge-STRAM: Jurnal Perencanaan dan Rekayasa Sipil, [S. l.], v. 4, n. 1, p. 41–45, 2021. DOI: 10.25139/jprs.v4i1.3163. Disponível em: https://ejournal.unitomo.ac.id/index.php/gestram/article/view/3163. Acesso em: 17 jun. 2026.