Ritcham, M., T. Warabamrungkul, and R. Nilkote. “THE SAFE SCHOOL POLICIES THAT AFFECT THE DEVEIOPMENT OF A WHITE SCHOOL UNDER THE OFFICE OF SA KAEO PRIMARY EDUCATIONAL SERVECE AREA DISTRICT 1”. Journal of MCU Nakhondhat, vol. 10, no. 12, Dec. 2023, pp. 109-1, https://so03.tci-thaijo.org/index.php/JMND/article/view/273976.