., Jamaluddin et al. Karakteristik Maseral dan Peringkat Batubara Daerah Balikpapan Selatan Berdasarkan Analisis Petrografi Organik. GEOSAINS KUTAI BASIN, [S.l.], v. 8, n. 1, p. 10-15, feb. 2025. ISSN 2615-5176. Available at: <https://jurnal.fmipa.unmul.ac.id/index.php/geofis/article/view/1448>. Date accessed: 19 apr. 2025. doi: https://doi.org/10.30872/geofisunmul.v8i1.1448.