Susanna, Dewi, Tris Eryando, and Yvonne M. Indrawani. “The Level of Escherichia Coli Contamination in Foods and Drinks Sold at Canteens Campus”. Medical Journal of Indonesia 20, no. 1 (February 1, 2011): 66–70. Accessed December 22, 2024. https://mji.ui.ac.id/journal/index.php/mji/article/view/431.