Tiwthong, P., S. Phanoy, and J. Wicharapote. “The Competency of School Administrators Affecting the Effectiveness of School Administration under Nong Bua Lamphu Primary Educational Service Area Office 1”. Interdisciplinary Academic and Research Journal, vol. 5, no. 6, Nov. 2025, pp. 23-38, doi:10.60027/iarj.2025.286914.