MUJAHIDA, A.; AMINAH, S. 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://jurnal.fkip.untad.ac.id/index.php/jme/article/view/1026. Acesso em: 28 apr. 2024.