Jantamoon, Denchitteerapun, Chayakan Ruangsuwan, and Pongphop Phoojomjit. “A Model of Ethical Leadership Development of School Administrators Under The Secondary Educational Service Area Office Kalasin: A Model of Ethical Leadership Development of School Administrators Under The Secondary Educational Service Area Office Kalasin”. RATANABUTH JOURNAL 5, no. 3 (December 30, 2023): 582–599. accessed January 7, 2026. https://so07.tci-thaijo.org/index.php/rtnb/article/view/3928.