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Umpukanon K, Somkhaoyai T, Weeraponkan B. ACADEMIC LEADERSHIP OF SCHOOL ADMINISTRATORS AFFECTING TEACHER PERFORMANCE UNDER THE OFFICE OF NAKHON SI THAMMARAT PRIMARY EDUCATION AREA 3. JMND [internet]. 2023 Apr. 29 [cited 2025 Dec. 6];10(4):166-81. available from: https://so03.tci-thaijo.org/index.php/JMND/article/view/268657