ISHAK, Ishak; JURA, Minarni Rama; SAID, Irwan; PULUKADANG, Sri Hastuti Virgianti. The Hardness and The Testing of Acidity (pH) on The Groundwater in Mapane Tambu Balaesang District, Donggala Regency. Media Eksakta, [S. l.], v. 18, n. 2, p. 102–107, 2022. DOI: 10.22487/me.v18i2.2345. Disponível em: https://www.jurnalfkipuntad.com/index.php/jme/article/view/2345. Acesso em: 15 oct. 2025.