Ondang, P., Hompubpha, S. and Subrungthong, S. (2025) “Guidelines for Safety Operations in Educational Institutions under the Jurisdiction of Nakhon Sawan Primary Educational Service Area Office 3”, SOCIAL SCIENCES RESEARCH AND ACADEMIC JOURNAL. Bangkok, Thailand, 20(3), pp. 225–240. available at: https://so05.tci-thaijo.org/index.php/JSSRA/article/view/282208 (accessed: 29 September 2026).