Sakinah N. The Assessment of Hygiene and Sanitation Practice in "Penyetan” Food Traders In The Sunan Ampel Religious Tourism Area Surabaya. JKL [Internet]. 2019 Feb. 1 [cited 2025 Apr. 6];11(1):45-53. Available from: https://e-journal.unair.ac.id/JKL/article/view/9703