Plongtong, Paweena, Songyod Kaewmongkol, and Somnuk Kareevate. 2023. “Excellence Academic Affairs Management Model of School Administrators in 21st Century The Secondary Educational Service Area Office Nonthaburi”. Rajapark Journal 17 (55). Bangkok, Thailand:483-97. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/268724.