BUDIYANTO, Eko; MUZAYANAH, Muzayanah; KURNIAWATI, Aida; PURNOMO, Nugroho Hari. Effect of Volcanic Sand-Biocarbon-Zeolith Filtration on pH, EC, and TDS values of karst groundwater. Geo Media: Majalah Ilmiah dan Informasi Kegeografian, [S. l.], v. 21, n. 1, p. 96–106, 2023. DOI: 10.21831/gm.v21i1.57538. Disponível em: https://jurnal.uny.ac.id/index.php/geomedia/article/view/57538. Acesso em: 14 may. 2025.