เสาวรัจ ธัญชนก. “Developing a Model for Auditing and Evaluating the Internal Control System of Agencies of the Ministry of Public Health”. Journal of Health Science of Thailand 32, no. 3 (June 29, 2023): 556–569. Accessed July 22, 2024. https://thaidj.org/index.php/JHS/article/view/14238.