Somnok, Taweesak, Teerawat Yiumsaeng, and Surawat Thongbu. “The Development of the Model of School Administrative Effectiveness on School-Based Management for Schools under the Secondary Education Office Area 25”. Journal of Research and Development Institute Rajabhat Maha Sarakham University 7, no. 1 (June 30, 2020): 487–502. Accessed May 8, 2024. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/245083.