ANDINI, Ayu; RIZAL, Yan.
GEOLOGI BATUBARA DAERAH BINUNGAN KECAMATAN SAMBALIUNG KABUPATEN BERAU PROVINSI KALIMANTAN TIMUR.
Bulletin of Geology, [S.l.], v. 3, n. 1, p. 271-278, apr. 2019.
ISSN 2580-0752.
Available at: <https://buletingeologi.com/index.php/buletin-geologi/article/view/58>. Date accessed: 12 feb. 2025.
doi: https://doi.org/10.5614/bull.geol.2019.3.1.1.