KONTAMINASI Escherichia coli AIR MINUM ISI ULANG PADA DEPOT AIR MINUM DI KOTA MALANG. hayati [Internet]. 2018 Sep. 22 [cited 2026 Sep. 6];1(1):179 – 182. Available from: https://proceeding.unpkediri.ac.id/index.php/hayati/article/view/649