Bootpoom, Ponpun, Koolchalee Chongcharoen, and Chuchart Puangsomjit. “Administrative Factors Affecting the Professional Learning Community of Schools under the Secondary Educational Service Area Office Khon Kaen”. KKU Research Journal (Graduate Studies) Humanities and Social Sciences 12, no. 3 (December 30, 2024): 51–63. accessed September 28, 2026. https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/272481.