Desfitri, D.E.E.R. et al. 2026. Performance Comparison of Coagulation and Adsorption for Gambier Wastewater Treatment Using Poly Aluminium Chloride (PAC), Calcium Hypochlorite, and Activated Carbon. Sains Natural: Journal of Biology and Chemistry. 15, 4 (Jan. 2026), 205–219. DOI:https://doi.org/10.31938/jsn.v15i4.914.