Jirarotephinyo N. SCHOOL ADMINISTRATORS’ COMPETENCIES AFFECTING TO ACADEMIC PERFORMANCE OF EDUCATIONAL INSTITUTIONS IN AREAS OF RESPONSIBILITY UNDER REGIONAL EDUCATION OFFICE NO. 4. JSBA [internet]. 2020 Apr. 30 [cited 2026 Mar. 6];5(4):293-304. available from: https://so04.tci-thaijo.org/index.php/JSBA/article/view/241288