Thairattanakul, Orasa, and Aittiphol Duangchinda. “Factors Related to the Performance of the District Health Board in Chainat Province”. Journal of Public Administration Chiang Rai Rajabhat University 9, no. 1 (June 29, 2026): 39–58. accessed August 28, 2026. https://so16.tci-thaijo.org/index.php/POPACRRU/article/view/2400.