Songserm, Panjapa. “Transformative Leadership of School Administrators under the Office of the Eastern Vocational Education Commission”. Interdisciplinary Academic and Research Journal 3, no. 1 (February 5, 2023): 387–400. accessed September 12, 2026. https://so03.tci-thaijo.org/index.php/IARJ/article/view/265888.