AFANDY, M. A.; HERLIAWAN, D. J. H.; NIRWANSYAH; SAWALI, F. D. I. Acid-Activated Natural Clay for Fe(III) Adsorption: An Integrated Study of Mechanisms, Kinetics, and Thermodynamics. Indonesian Journal of Environmental Management and Sustainability, v. 9, n. 3, p. 143-155, 1 Sep. 2025.