Tuga, Bulan Sari, Ferdinand Leuwol, and Edward Tetelepta. 2024. “Quality of Clean Water Source of Borehole Wells in Batu Merah Village, Sirimau Subdistrict, Ambon City”. Jurnal Pendidikan Geografi Unpatti 3 (3), 340-48. https://doi.org/10.30598/jpguvol3iss3pp340-348.