SOPHIAN, A. Escherichia coli Bacteria Test on Polluted Meatballs With Several Variations of Positive Control Concentration: Escherichia coli Bacteria Test on Polluted Meatballs With Several Variations of Positive Control Concentration. BiosciED: Journal of Biological Science and Education, [S. l.], v. 3, n. 1, p. 32–38, 2022. DOI: 10.37304/bed.v3i1.4908. Disponível em: https://e-journal.upr.ac.id/index.php/bed/article/view/4908. Acesso em: 7 jul. 2024.