“Analisis Kestabilan Lereng Menggunakan Metode Bishop Di Pit ALC-14 Tambang Batubara PT. Equalindo Makmur Alam Sejahtera Kabupaten Kutai Kartanegara, Kalimantan Timur”. Jurnal Geomine 8, no. 02 (August 31, 2020): 162–170. Accessed June 27, 2025. https://jurnal.fti.umi.ac.id/index.php/JG/article/view/1403.