Malino, Maria, and Luther Kadang. “Analisis Kualitas Air Desa Nulle Kecamatan Amanuban Barat Kabupaten Timor Tengah Selatan”. Chemistry Notes 4, no. (1) (December 21, 2021): 12-23. Accessed July 4, 2025. https://ejurnal.undana.ac.id/index.php/CN/article/view/6079.