Tuga, B. S., F. Leuwol, and E. Tetelepta. “Quality of Clean Water Source of Borehole Wells in Batu Merah Village, Sirimau Subdistrict, Ambon City”. Jurnal Pendidikan Geografi Unpatti, Vol. 3, no. 3, Oct. 2024, pp. 340-8, doi:10.30598/jpguvol3iss3pp340-348.