Oktafani s, Ryan Angga. “An Overview Of Food Hygiene And Sanitation In Campus C Canteens Universitas Airlangga Surabaya”. JURNAL KESEHATAN LINGKUNGAN 11, no. 2 (April 8, 2019): 158–164. Accessed April 29, 2025. https://e-journal.unair.ac.id/JKL/article/view/10889.