Malino, Maria, and Luther Kadang. “Analisis Kualitas Air Desa Nulle Kecamatan Amanuban Barat Kabupaten Timor Tengah Selatan”. Chemistry Notes 3, no. 2 (December 21, 2021): 12-23. Accessed May 4, 2024. https://ejurnal.undana.ac.id/index.php/CN/article/view/6079.