KARYADI, R.; SETIAWAN, B. Karakteristik Seam Batubara Berdasarkan Analisa Proksimat Pada Formasi Muara Enim di Pit Middle West PT. Bhumi Sriwijaya Perdana Coal, Kabupaten Musi Banyuasin Sumatera Selatan. OPHIOLITE: Jurnal Geologi Terapan, [S. l.], v. 5, n. 2, p. 52–61, 2023. DOI: 10.56099/ophi.v5i2.p52-61. Disponível em: https://ophiolite.uho.ac.id/index.php/journal/article/view/9. Acesso em: 30 oct. 2026.