Ilma, Habibatul, Saimul Laili, and Hamdani Dwi Prasetyo. “Analisis Perbandingan Kualitas Air Sumur Bor Dan Sumur Gali Di Desa Gesikan Kecamatan Pakel Kabupaten Tulungagung: Comparative Analysis of Water Quality of Drilling Wells and Dug Wells in Gesikan Village, Pakel District, Tulungagung Regency”. Jurnal SAINS ALAMI (Known Nature) 6, no. 2 (February 20, 2024): 21–31. Accessed June 17, 2024. http://knownnat.mipa.unisma.ac.id/index.php/knownnat/article/view/16337.