Wannasri, Yaowared, and Pongphop Phoojomjit. 2023. “The Development Guidelines for Leadership of Student School under The Secondary Education Service Area Office Maha Sarakham: The Development Guidelines for Leadership of Student School under The Secondary Education Service Area Office Maha Sarakham”. RATANABUTH JOURNAL 5 (3). Yasothon, Thailand:152-65. https://so07.tci-thaijo.org/index.php/rtnb/article/view/3621.