Yotsapol, Chanida, Kritkanok Duangchatom, and Pongphop Phoojomjit. “The Model for Ethical Leadership Development Secondary School Administrators in the Official Inspection Region 12, under the Office of the Basic Education Commission”. Interdisciplinary Academic and Research Journal 6, no. 3 (May 10, 2026): e283903. accessed September 28, 2026. https://so03.tci-thaijo.org/index.php/IARJ/article/view/283903.