Abas M, Irawan A, Marpaung D. Hygiene and Sanitation of Refill Drinking Water Depots in Relation Escherichia coli: A Quantitative Study. Gema Lingkung Kesehatan [Internet]. 2025 Jul. 28 [cited 2025 Aug. 15];23(3):412-20. Available from: https://gelinkes.poltekkes-surabaya.ac.id/index.php/gelinkes/article/view/310