แวงโสธรณ์ วิริญญ์, and กิจระการ เผชิญ. “Development of Teacher Development Program on Mathematics Learning Management for Schools under the Secondary Educational Service Area Office 24”. Journal of Roi Et Rajabhat University 12, no. 2 (December 1, 2018): 149–161. Accessed March 29, 2024. https://so03.tci-thaijo.org/index.php/reru/article/view/165522.