TIMOTIUS, D.; FONO, P. S. L. N.; VERANCYA, O. S.; PETRUS, H. T. B. M.; ANGGARA, F.; ADHA, I.; AISYAH, D. D. Sustainable Utilization of K-Humate Coal Residue into Bead Adsorbents for Cu(II) Removal. RSF Conference Series: Engineering and Technology, [S. l.], v. 4, n. 1, p. 486–495, 2025. DOI: 10.31098/cset.v4i1.1052. Disponível em: https://proceeding.researchsynergypress.com/index.php/cset/article/view/1052. Acesso em: 6 dec. 2025.