Puttarak, Pornchai, and Suparp Chatraphorn. “Knowledge, Attitude and Food Sanitation Behavior of Chefs in Phuket Hotels”. Kasetsart Journal of Social Sciences 31, no. 1 (April 30, 2010): 67–81. accessed September 12, 2026. https://so04.tci-thaijo.org/index.php/kjss/article/view/246651.