FAJAR, .; ANGRENI LIMBONG, .; UTAMI, . STUDY ON THE EFFECTIVENESS OF ACTIVATED CARBON FOR REDUCING HARDNESS AND IRON (FE) CONTENT IN WELL WATER. Lingkar: Journal of Environmental Engineering, [S. l.], v. 5, n. 1, p. 1–9, 2023. Disponível em: https://journal.ar-raniry.ac.id/lingkar/article/view/6006. Acesso em: 22 dec. 2024.