Modelling and Estimation of Coal Resources Using Circular Method in Beringin Makmur II Area, North Musi Rawas Regency. PROMINE, [S. l.], v. 10, n. 2, p. 44–50, 2022. DOI: 10.33019/jp.v10i2.3842. Disponível em: https://www.journal.ubb.ac.id/index.php/promine/article/view/3842. Acesso em: 15 apr. 2026.