SIMANGUNSONG, A. .; PENDA SUDARTO HASUGIAN. Application of the Certainty Factor Method to Diagnose Escherichia Coli Bacteria in Refilled Drinking Water. Jurnal Info Sains : Informatika dan Sains, [S. l.], v. 10, n. 1, p. 7–12, 2020. DOI: 10.54209/infosains.v10i1.26. Disponível em: https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/26. Acesso em: 2 jun. 2025.