ปัญญาวัง เ. The Self - Development Requirements of Teachers under TaK Provincial Office of Non – Formal and Informal Education. edunsrujournal [Internet]. 2022 Jan. 29 [cited 2024 May 17];3(3):13-25. Available from: https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/254273