PANGGESO, K. Y. .; NUGROHO, W. .; DEVY, S. D. .; WINARNO, A. .; OKTAVIANI , R. . ANALYSIS OF THE INFLUENCE OF GRAIN SIZE ON INCREASING CALORIES OF LOW RANK COAL USING THE BROWN COAL UPGRADING METHOD: ANALISIS PENGARUH UKURAN BUTIR TERHADAP PENINGKATAN KALORI BATUBARA PERINGKAT RENDAH DENGAN MENGGUNAKAN METODE UPGRADING BROWN COAL. INTAN Jurnal Penelitian Tambang, [S. l.], v. 6, n. 2, p. 78–81, 2023. DOI: 10.56139/intan.v6i2.186. Disponível em: https://jurnal-intan.ac.id/index.php/intan/article/view/186. Acesso em: 10 dec. 2024.