Pemodelan Empirik Desulfurisasi Batubara Secara Flotasi Dengan Metode Rayleigh. Journal of Chemical Process Engineering, [S. l.], v. 5, n. 1, p. 45–53, 2020. DOI: 10.33536/jcpe.v5i1.859. Disponível em: https://jurnal.fti.umi.ac.id/index.php/JCPE/article/view/859. Acesso em: 26 aug. 2025.