Analysis of Drinking Water Quality in One of the Spings in Umbul Songo, Kopeng, Semarang District: Analisis Kualitas Air Minum pada Salah Satu Sumber Mata Air di Umbul Songo, Kopeng Kabupaten Semarang. Jurnal Lingkungan Nusantara. 2025;1(2). Accessed September 16, 2025. https://journal.jantoscv.com/index.php/jln/article/view/8