MUJAHIDA, Abdurrahman; AMINAH, Sitti. Determination of Iron (Fe) and Hardness (CaCO3) Levels in Water Sources in Besusu Tengah Village, East Palu District. Media Eksakta, [S. l.], v. 18, n. 1, p. 31–36, 2022. DOI: 10.22487/me.v18i1.1026. Disponível em: https://www.jurnalfkipuntad.com/index.php/jme/article/view/1026. Acesso em: 15 oct. 2025.