Suwarna N, Hermanto B, Sihombing T, Kusumah KD. Coalbed methane potential and coal characteristics in the Lati region, Berau basin, East Kalimantan. Indonesian J. Geosci. [Internet]. 2006 Mar. 28 [cited 2025 Jun. 7];1(1):19-30. Available from: https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/5