Rancangan teknis desain sequence penambangan batubara pada area pit 7 xtend di PT. Multi Harapan Utama Kabupaten Kutai Kartanegara Kalimantan Timur. Jurnal Geologi Pertambangan (JGP), [S. l.], v. 27, n. 2, p. 12–24, 2021. DOI: 10.53640/jgp.v27i2.926. Disponível em: https://ejurnal.unikarta.ac.id/index.php/jgp/article/view/926. Acesso em: 24 aug. 2025.