Lamsakorn, Sorachai. “The Effectiveness of the District Health Board Development Model in Samut Sakhon Province”. Journal of Preventive Medicine Association of Thailand 13, no. 3 (January 9, 2024): 149–163. accessed December 6, 2025. https://he01.tci-thaijo.org/index.php/JPMAT/article/view/264336.