ดอนกระสินธุ์ ไพรวรรณ, and ชนะวงศ์ อำนำจ. 2018. “Development of Program for Strengthening Teachers’ Competency on Student-Centered Learning Management for Schools under the Secondary Educational Service Area Office 24”. Journal of Roi Et Rajabhat University 12 (2):194-203. https://so03.tci-thaijo.org/index.php/reru/article/view/165297.