SUGIARTO, W.; R. A., T. L.; HARTONO, H. G.; BUDIADI, E. The THE EFFECT OF GEOLOGICAL STRUCTURES ON THE COAL QUALITY OF THE SEMBAKUNG FORMATION IN BERAU REGENCY, EAST KALIMANTAN. KURVATEK, [S. l.], v. 9, n. 1, p. 17–24, 2024. DOI: 10.33579/krvtk.v9i1.4894. Disponível em: https://journal.itny.ac.id/index.php/krvtk/article/view/4894. Acesso em: 3 apr. 2025.