HUTABARAT, Melisa; 						DJAYUS, Djayus; 						SUPRIANTO, Suprianto.
 Identifikasi Sebaran Batu Bara dari Data Well Logging Menggunakan Metode Cross Section  (Studi Kasus di PT. Khotai Makmur Insan Abadi, Kalimantan Timur).
<strong>GEOSAINS KUTAI BASIN</strong>, [S.l.], v. 4, n. 2, mar. 2022.
ISSN 2615-5176.
Available at: &lt;<a href="https://jurnal.fmipa.unmul.ac.id/index.php/geofis/article/view/792" target="_new">https://jurnal.fmipa.unmul.ac.id/index.php/geofis/article/view/792</a>&gt;. Date accessed: 14 may 2025.
doi: <a href="https://doi.org/10.30872/geofisunmul.v4i2.792">https://doi.org/10.30872/geofisunmul.v4i2.792</a>.