I. . saflia, A. . Mallongi, M. . Hatta, H. . Ishak, A. . Birawida, и Y. . Thamrin, „Quantitative Assessment of the Number of Escherichia Coli Bacteria and Risk Characterization of Food in Cafeteria of Regional Public Hospital Kendari City“, IJPASR, том 1, изд. 2, стр. 30-36, Нов. 2020.