Daftar isi. Jurnal Geologi Pertambangan (JGP), [S. l.], v. 26, n. 2, 2020. DOI: 10.53640/jgp.v26i2.834. Disponível em: https://ejurnal.unikarta.ac.id/index.php/jgp/article/view/834. Acesso em: 25 agu. 2025.