Thongchai H, Tungdamnernsawad S, Polpuntin S, Chaleysub S. School Administrators Kalayanamitra Leadership for Development of Teachers Instruction. jma [Internet]. 2021 Dec. 25 [cited 2024 Apr. 20];8(3):10-25. Available from: https://so04.tci-thaijo.org/index.php/JMA/article/view/250320