Sudi Pendahuluan Pengaruh Karakteristik Batubara Peringkat Rendah Cekungan Kutai Terhadap Gasifikasi Batubara: Preliminary Study Effect of Characteristic Low Rank Coal Kutai Basin Against Coal Gasification. PROMINE, [S. l.], v. 4, n. 2, 2018. DOI: 10.33019/promine.v4i2.105. Disponível em: https://journal.ubb.ac.id/index.php/promine/article/view/105. Acesso em: 5 jul. 2026.