มากเจริญ กรรัช, and ชูสุวรรณ สุวิมล. “The State and Problems of Physical Education Management for Small-Sized Schools under the Office of Buriram Primary Educational Service Area 1”. Trends of Humanities and Social Sciences Research 6, no. 1 (June 21, 2019): 8–20. Accessed April 20, 2024. https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/196615.