ketvisetkul T, Loedwathong R. A Program Enhancing the Authentic Leadership Effected The Administration of Private Schools. IARJ [internet]. 2021 Apr. 30 [cited 2026 Sep. 11];1(2):19-34. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/256269