Pemodelan Empirik Desulfurisasi Batubara Secara Flotasi Dengan Metode Rayleigh. JCPE [Internet]. 2020 May 31 [cited 2025 Aug. 26];5(1):45-53. Available from: https://jurnal.fti.umi.ac.id/index.php/JCPE/article/view/859