“PENGARUH VARIASI KETEBALAN MEDIA KARBON AKTIF DALAM MENURUNKAN KADAR MANGAN (Mn) PADA AIR BERSIH DI PT. XYZ”, JSA, vol. 1, no. 1, pp. 1030–1038, Oct. 2026, Accessed: Oct. 06, 2026. [Online]. Available: https://journal-edu.org/index.php/jsa/article/view/455