ANUGERAH, Quintiza; 						NATALISANTO, Adrianus Inu; 						PSP, Devina Rayzy.
 Uji Kualitas Batubara terhadap Kedalaman Lapisan Daerah Penambangan Pulau Bunyu dengan Metode Proksimat pada Lokasi 4 Pit.
<strong>GEOSAINS KUTAI BASIN</strong>, [S.l.], v. 5, n. 1, p. 1-7, aug. 2022.
ISSN 2615-5176.
Available at: &lt;<a href="https://jurnal.fmipa.unmul.ac.id/index.php/geofis/article/view/605" target="_new">https://jurnal.fmipa.unmul.ac.id/index.php/geofis/article/view/605</a>&gt;. Date accessed: 03 july 2024.
doi: <a href="https://doi.org/10.30872/geofisunmul.v5i1.605">https://doi.org/10.30872/geofisunmul.v5i1.605</a>.