1.
Widayat AH, Anggayana K, Indriati T, Al Hakim AY, Dwiantoro M, Furqany M, et al. The Occurrence and Genesis of Silicified Coals in Tanjung Redeb, Embalut, and Loa Kulu, East Kalimantan, Indonesia. Indonesian J. Geosci. [Internet]. 2021 Nov. 24 [cited 2025 Jun. 6];9(1):27-43. Available from: https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/796