Ngampiriyakorn, Geawalin. “The Development of Process to Professional Teacher in Educational Research Development and Demonstration Institute”. Journal of Faculty of Humanities and Social Sciences Thepsatri Rajabhat University 15, no. 1 (April 30, 2024): 165–180. accessed December 6, 2025. https://so01.tci-thaijo.org/index.php/truhusocjo/article/view/268233.