กล่อมอู่ ภานุวัฒน์. “A Studyofthe Characteristicsof School Administrator asViewed by Teacher in Don Chedi DistrictundertheSuphanburiPrimary Educational Service Area Office 2”. Education journal Faculty of Education, Nakhon Sawan Rajabhat University 4, no. 1 (April 29, 2021): 51–61. accessed October 9, 2026. https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/253817.