Jaturachadsukol, Nuttapong. “MANAGEMENT SYSTEM OF THE DEPARTMENT OF LABOR PROTECTION AND WELFARE”. Journal of Yanasangvorn Research Institute Mahamakut Buddhist University 13, no. 1 (June 30, 2022): 105–115. Accessed April 26, 2024. https://so04.tci-thaijo.org/index.php/yri/article/view/259589.