Nachan, K., N. Chullasutti, and P. Imiwat. “Policy Recommendations for the Administration of the Civil Defense Volunteer Center under Si Don Moon Sub-District Administrative Organization, Chiang Saen District, Chiang Rai Province”. Journal of Public Administration Chiang Rai Rajabhat University, vol. 8, no. 2, Dec. 2025, pp. 1-22, https://so16.tci-thaijo.org/index.php/POPACRRU/article/view/1214.