“Studi Awal Geologi Di Daerah Beruang Kanan Kabupaten Gunung Mas Propinsi Kalimantan Tengah: Preelimenery Geological Research at Beruang Kanan Site, Gunung Mas Regency,Central of Kalimantan Provence”. PROMINE 6, no. 1 (November 19, 2018): 1–11. Accessed April 13, 2026. https://www.journal.ubb.ac.id/index.php/promine/article/view/710.