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Batubara, Frisca Ronauli and Pohan, Dame Joyce and Pasaribu, Dora Elysia Octavia (2021) Comparison of the Amount of Escherichia Coli in Refilled Drinking Water at the Depot with Bottled Drinking Water. International Journal of Health Sciences and Research, 11 (5). pp. 401-409. ISSN 2249 9571
Pasaribu, Dora Elysia Octavia (2017) PERBANDINGAN JUMLAH KUMAN Escherichia coli DALAM AIR MINUM ISI ULANG DI DEPOT DENGAN AIR MINUM DALAM KEMASAN. S1 thesis, Universitas Kristen Indonesia.