วงศ์แสน ป., and ถวิลการ ด. “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, vol. 11, no. 1, June 2017, pp. 130-8, https://so03.tci-thaijo.org/index.php/reru/article/view/176497.