เชื่อมทอง ส. Relationship Between Traits of Professional School Administrators and Motivation to Work of Teachers in Sirindhorn School Under The Secondary Educational Service Area Office 33. edunsruj [internet]. 2021 Aug. 31 [cited 2026 Oct. 11];4(2):36-49. available from: https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/250483