Hamid, Syarwan, Gusnawati, Thahirah Arief, Muh. Ilham Anggamulia, Hijrah Amaliah Azis, and Muh Arman. “Activated Carbon from Sawdust Biomass Via ZnCl₂ and NaOH Activation for Water Biofiltration Applications”. Journal of Green Chemical and Environmental Engineering 1, no. 4 (December 27, 2025): 221–233. Accessed January 10, 2026. https://ejournal.candela.id/index.php/jgcee/article/view/123.