“KONTAMINASI Escherichia Coli AIR MINUM ISI ULANG PADA DEPOT AIR MINUM DI KOTA MALANG”. Prosiding Seminar Nasional Hayati 6, no. 1 (September 22, 2018): 179 – 182. Accessed December 11, 2025. https://proceeding.unpkediri.ac.id/index.php/hayati/article/view/649.