Ngilawane, Eferista, Edward Tetelepta, and Roberth Riry. “Analysis of the Quality and Quantity of Dug Well Water in Sifnana Village, South Tanimbar District, Tanimbar Islands Regency”. Jurnal Pendidikan Geografi Unpatti 3, no. 3 (October 4, 2024): 356–370. Accessed October 16, 2024. https://ojs3.unpatti.ac.id/index.php/jpgu/article/view/15501.