“Rancangan Penambangan Jangka Pendek Pada Pit Utara Di PT Tubindo Kabupaten Bulungan Provinsi Kalimantan Utara”. Jurnal Geomine 11, no. 01 (July 17, 2023): 102–110. Accessed June 27, 2025. https://jurnal.fti.umi.ac.id/index.php/JG/article/view/142.