Nenkoet, S., Marie Cain, P., & Ngoiphuthon, R. (2024). A Study of Development Guidelines for World Class Standard Schools Under the Secondary Educational Service Area Office Kalasin. Journal of Education Rajabhat Maha Sarakham University, 21(3), 141–152. retrieved from https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/276874