นฤคนธ์ ณ. . (2021). Health Service System “Food Safety Hospital” in Tertiary and Secondary Care Hospitals, Office of the Permanent Secretary, Ministry of Public Health, Thailand. Journal of Health Science of Thailand, 29(5), 884–896. Retrieved from https://thaidj.org/index.php/JHS/article/view/9480 (Original work published October 26, 2020)