Analisis Perubahan Kualitas Batubara dari PIT ke Stockpile Berdasarkan Analisis Proksimat dan Implikasi Terhadap Quality Control di PT X Batanghari Jambi. Jurnal Geomine, [S. l.], v. 14, n. 02, p. 102–110, 2026. DOI: 10.33096/8f4m8934. Disponível em: https://jurnal.fti.umi.ac.id/index.php/JG/article/view/2429. Acesso em: 31 oct. 2026.