Sinsap, Wuttipong. “Development of Systems and Mechanisms on Strategic Implementation at Primary Care Unit, Amnat Charoen Province”. Journal of Modern Learning Development 7, no. 8 (September 30, 2022): 16–33. accessed October 8, 2026. https://so06.tci-thaijo.org/index.php/jomld/article/view/256983.