1.
PEMODELAN ENDAPAN BATUBARA KABUPATEN BULUNGAN PROVINSI KALIMANTAN UTARA. Geomine [Internet]. 2016 Dec. 31 [cited 2026 Apr. 7];4(03):87-98. Available from: https://jurnal.fti.umi.ac.id/index.php/JG/article/view/1370