Water quality analysis of the PDAM drinking water distribution network at the Baron-Ngobaran management unit, Gunungkidul Regency - IndonesiaMuhammad Ridho Irshabdillah and Margaretha WidyastutiE3S Web Conf., 200 (2020) 02027DOI: https://doi.org/10.1051/e3sconf/202020002027