Fitria, Lassie, Dewi Susanna, and Tris Eryando. “Personal Hygiene and Sanitation in Cafeterias at University X in Depok, Indonesia”. KnE Life Sciences 4, no. 1 (January 11, 2018): 93-102. Accessed May 5, 2024. https://knepublishing.com/index.php/KnE-Life/article/view/1370.