ชรารัตน์ อ, น้อยสมบัติ ห. THE RELATIONSHIP BETWEEN SCHOOL PRINCIPALS COMPETENCY AND THE EFFECTIVENESS OF SCHOOLS UNDER THE OFFICE OF ROI-ET PRIMARY EDUCATIONAL SERVICE AREA 3. J Roi Et [Internet]. 2017 Dec. 31 [cited 2024 Apr. 30];11(2):173-82. Available from: https://so03.tci-thaijo.org/index.php/reru/article/view/176361