สำราญมากธัญวรัตน์, and กิจระการเผชิญ. 2019. “The Development of a Program Developing Teachers for Classroom Research in Schools under the Office of Nakhon Ratchasima Primary Education Service Area Office 4.”. Journal of Roi Et Rajabhat University 13 (2), 106-14. https://www.tci-thaijo.org/index.php/reru/article/view/213043.