KAJIAN STABILITAS LERENG TIMBUNAN PADA PT. KAYAN KALTARA COAL JOB SITE PT. NATA ENERGI RESOURSES KABUPATEN BULUNGAN PROPINSI KALIMANTAN UTARA. Jurnal Geologi Pertambangan (JGP), [S. l.], v. 1, n. 19, 2016. DOI: 10.53640/jgp.v1i19.134. Disponível em: https://ejurnal.unikarta.ac.id/index.php/jgp/article/view/134. Acesso em: 25 agu. 2025.