Senoaji, Farhan, and Surya Budi Lesmana. “Analisis Pola Sebaran Kualitas Air Sumur Di Kawasan TPST Piyungan”. Semesta Teknika 24, no. 1 (November 17, 2021): 62–68. Accessed April 30, 2025. https://journal.umy.ac.id/index.php/st/article/view/13001.