Panrungmanee, J., Metheevachatra, A., & Thuenchang, W. (2026). Guidelines for Using Development of Competencies of School Administrators in the Digital Age according to the Trisikkha Principles of the Educational Opportunity Expansion Schools in Noen Kham District, Chainat Province: -. Mahachula Academic Journal, 13(1), 430–456. retrieved from https://so04.tci-thaijo.org/index.php/JMA/article/view/288557