chaidet, ekkachai, and Araya Wongpom. 2025. “Food Sanitation management on digital technology Foodhandler”. Journal of Health Promotion and Environmental Health Research Health Promotion Centre 8 Udon Thani 3 (3). Udon Thani,Thailand:1-18. https://he04.tci-thaijo.org/index.php/hpc8Journal/article/view/3392.