AMSAH, L. O. M. Y.; KURNIA, L. H.; MALIM, A. I. L. O. Analysis of Coal Quality on Mining Front and Ship Loading in East Kalimantan Province: Evaluasi Kualitas Batubara pada Front Penambangan dan Ship Loading di Provinsi Kalimantan Timur. JURNAL GEOCELEBES, [S. l.], v. 6, n. 1, p. 87-92, 2022. DOI: 10.20956/geocelebes.v6i1.19729. Disponível em: https://journal-old.unhas.ac.id/index.php/geocelebes/article/view/19729. Acesso em: 21 nov. 2024.