Munthe, S. A., Sinaga, L. R. V., & Manurung, J. (2022). Wastewater Channel And Escherichia Coli In Wells, Desa Durin Simbelang Kecamatan Pancur Batu. TOUR HEALTH JOURNAL, 1(1), 25–30. Retrieved from https://tourjurnal.akupuntour.com/index.php/tourhealthjournal/article/view/5