Bansong, Adisorn. 2026. “Outcomes of Private School Teacher Development Using the AFTER Model Integrated with the Four Iddhipada Principles”. Journal of Education Mahasarakham University 20 (3). Mahasarakham, Thailand:57-75. https://so09.tci-thaijo.org/index.php/JOEMSU/article/view/8448.