Karyadi, Rian, and Budhi Setiawan. “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 5, no. 2 (November 25, 2023): 52–61. Accessed October 30, 2026. https://ophiolite.uho.ac.id/index.php/journal/article/view/9.