Wannasin, Ketsuda, and Chayakan Ruangsuwan. “Transformational Leadership of School Administrators under The Secondary Education Service Office Area 27”. Academic Journal of Mahamakut Buddhist University Roi Et Campus 9, no. 1 (June 25, 2019): 195–204. Accessed April 26, 2024. https://so01.tci-thaijo.org/index.php/AJMBU/article/view/242156.