Phesoongnone, S., and A. Eungpuang. “School Administrative Factors Affecting the Competence of Teachers in Khon Kaen Primary Educational Service Area Office 1”. Journal of Graduate MCU KhonKaen Campus, vol. 12, no. 4, Dec. 2025, pp. 324-32, https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/277833.