Prommueang, A., Udorn, N., & Buppataweesak, A. (2025). GUIDELINES FOR THE DEVELOPMENT OF SAFETY IN SCHOOLS UNDER UBONRATCHATHANI PRIMARY EDUCATION SERVICE AREA OFFICE 2. Journal of Graduate School Sakon Nakhon Rajabhat University, 22(99), หน้า 18–31. retrieved from https://so02.tci-thaijo.org/index.php/SNGSJ/article/view/274375