STUDI PENENTUAN KANDUNGAN SULFUR (SULPHUR ANALYSIS) DALAM BATUBARA PADA PT GEOSERVICES SAMARINDA KALIMANTAN TIMUR. Jurnal Geomine, [S. l.], v. 2, n. 01, p. 68–71, 2015. DOI: 10.33536/jg.v2i01.1318. Disponível em: https://jurnal.fti.umi.ac.id/index.php/JG/article/view/1318. Acesso em: 27 jun. 2025.