นามอยู่ ส. The Study of Desirable Attributes of School Administrators in 21st Century under Chainat Office of the Basic Education Commission. edunsruj [internet]. 2021 Apr. 29 [cited 2026 Oct. 9];4(1):19-33. available from: https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/253750