Promma T, Prasomsuk T, Wangcham S. THE USE OF AUTHORITY OVER ACADEMIC AFFAIRS ADMINISTRATION OF THE MEDIUM-SIZED PRIMARY SCHOOL ADMINISTRATORS UNDER CHIANG MAI PRIMARY EDUCATIONAL SERVICE AREA OFFICE 2. JPR [internet]. 2023 Dec. 28 [cited 2026 Aug. 29];6(2):หน้า 223 - 238. available from: https://so03.tci-thaijo.org/index.php/JPR/article/view/269909