ปัทเมฆ ชะฎายุทธิ์. “Evaluation of Occupational Diseases and Environmental Disease Surveilance System Among Health Region 6”. Journal of Health Science of Thailand 34, no. 2 (March 19, 2025): 234–242. Accessed December 5, 2025. https://thaidj.org/index.php/JHS/article/view/12719.