Ouncharoen, Jittapha, Parisha Marie Cain, and Supot Duangnet. 2023. “A Study of Factors affecting high performance organization of school Under the Secondary Educational Service Area Office Kalasin”. Journal of Education Rajabhat Maha Sarakham University 20 (3). Maha Sarakham, Thailand:127-40. https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/268638.