ZULFIKAR, Z.; PUTRI, R.; ADITAMA, W. Correlation between the Pollution Risk of Wells and the Presence of Escherichia coli Bacteria at Daroy Kameu Village Darul Imarah subdistrict Aceh Besar district in 2017. HIGIENE: Jurnal Kesehatan Lingkungan, v. 5, n. 1, p. 22-31, 5 Aug. 2019.