SUWARNA, Nana; HERMANTO, Bambang; SIHOMBING, Torkis; KUSUMAH, Kusdji Darwin. Coalbed methane potential and coal characteristics in the Lati region, Berau basin, East Kalimantan. Indonesian Journal on Geoscience, [S. l.], v. 1, n. 1, p. 19–30, 2006. DOI: 10.17014/ijog.1.1.19-30. Disponível em: https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/5. Acesso em: 7 jun. 2025.