Paspo P, Sonchan C. 21st Century Administrational Skills of School Administrators Effective to Educational Administration Quality of Schools Under Khon Kaen Primary Educational Service Area Office 5: 21st Century Administrational Skills of School Administrators Effective to Educational Administration Quality of Schools Under Khon Kaen Primary Educational Service Area Office 5. rtnb [internet]. 2023 Dec. 30 [cited 2026 Sep. 13];5(3):78-95. available from: https://so07.tci-thaijo.org/index.php/rtnb/article/view/3396