ศิริพัฒนกุล ปนัดดา. “Development of Educational Management Indicators in the Digital age for Secondary Schools”. Journal of Education Studies, Chulalongkorn University 51, no. 3 (September 30, 2023): EDUCU5103001. accessed September 11, 2026. https://so02.tci-thaijo.org/index.php/EDUCU/article/view/259312.