Gusuwanwijit, Wachira, and Sakda Sathapornwachana. “Management of Safety in Schools under The Secondary Educational Service Area Office Bangkok District 1”. Journal of Graduate Saket Review 9, no. 2 (August 31, 2024): 272–289. accessed April 17, 2025. https://so03.tci-thaijo.org/index.php/saketreview/article/view/278115.