Srijan, J. and Kohtbantau2, S. 2022. Educational Institutions Administration According to the Philosophy of Sufficiency Economy of School Administrators in Warin Academic Group under the Jurisdiction of Ubon Ratchathani- Amnat Charoen Secondary Education Service Area Office. Journal of Research and Development Institute Rajabhat Maha Sarakham University. 9, 3 (Dec. 2022), 95–106.