Desfitri, Dr. Eng. Erda Rahmilaila, et al. “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, vol. 15, no. 4, Jan. 2026, pp. 205-19, doi:10.31938/jsn.v15i4.914.