Wolo, Daniel, Anna S. Rahmawati, Melania Priska, and Insar Damopolii. “Study of Dug Well Water Quality in Labuan Bajo, Indonesia”. Jurnal Biologi Tropis 20, no. 3 (November 21, 2020): 432–437. Accessed May 3, 2024. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/2135.