วงศ์แสน ปิยะมาศ, and ถวิลการ ดาวรุวรรณ. “Quality Culture Affecting Professional Learning Communities in World-Class Standard Schools under the Secondary Educational Service Area Office 25”. Journal of Roi Et Rajabhat University 11, no. 1 (June 30, 2017): 130–138. Accessed April 28, 2024. https://so03.tci-thaijo.org/index.php/reru/article/view/176497.