Syam, Muhammad Amin, Heriyanto Heriyanto, Hamzah Umar, Chairul Ikhwan, and Mifta Sardilla. “ANALISIS KESTABILAN LERENG HIGHWALL MENGGUNAKAN METODE BISHOP SIMPLIFIED PADA PIT 13 PT BELAYAN INTERNASIONAL COAL KECAMATAN MARANGKAYU KABUPATEN KUTAI KARTANEGARA”. JURNAL GEOCELEBES 5, no. 1 (April 29, 2021): 46-54. Accessed November 24, 2024. https://journal-old.unhas.ac.id/index.php/geocelebes/article/view/13108.