Arviananda, Rr. Dita, et al. “Studies of Improving Drinking Water Quality in the Kalurahan Banaran Kabupaten Kulon Progo Using Porous Concrete Filter”. Inersia : Jurnal Teknik Sipil Dan Arsitektur, vol. 19, no. 2, Dec. 2023, pp. 194-02, doi:10.21831/inersia.v19i2.64125.