Paengprakho, Yanitha, Jaruporn Duangsri, Ratchanee Joomjee, Monthicha Raksilp, and Chaiyakrit Yokphonchanachai. 2022. “Effectiveness of a School Safety Promotion Program for the Middle School Students in the Medium-Sized Educational Opportunity Expansion Schools under Ubon Ratchathani Primary Educational Service Area Office 1”. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University 17 (1):203-18. https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/254108.