Sangpo, Prangfan, and Supattana Hombubpha. “Development Model Competencies in active Learning Management of Teachers Under the Secondary Education Service Area Office Nakhon Sawan”. Education journal Faculty of Education, Nakhon Sawan Rajabhat University 9, no. 3 (September 30, 2026): 356–383. accessed October 3, 2026. https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/287790.