กล่อมอู่ ภ. A Studyofthe Characteristicsof School Administrator asViewed by Teacher in Don Chedi DistrictundertheSuphanburiPrimary Educational Service Area Office 2. edunsruj [internet]. 2021 Apr. 29 [cited 2026 Oct. 9];4(1):51-6. available from: https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/253817