Sangpo P, Hombubpha S. Development Model Competencies in active Learning Management of Teachers Under the Secondary Education Service Area Office Nakhon Sawan. edunsruj [internet]. 2026 Sep. 30 [cited 2026 Oct. 3];9(3):356-83. available from: https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/287790