Lalu, Nattiwa, and Sirirat Thongmeesri. “The 21st Century adminstration Skills of School Administrators according to the teacher’s opinion Under the Don Mueang District Office Bangkok”. Saengtham College Journal 16, no. 1 (June 17, 2024): 200–224. accessed October 12, 2026. https://so01.tci-thaijo.org/index.php/scj/article/view/256118.