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บุญวัฒน์ อ. ACADEMIC DEVELOPMENT GUIDELINES FOR SCHOOL ADMINISTRATORS UNDER THE JURISDICTION OF THE OFFICE OF AYUTTHAYA PRIMARY EDUCATION AREA 1. Education MCU [Internet]. 2019 Dec. 28 [cited 2022 Dec. 5];6(3):123-3. Available from: https://so02.tci-thaijo.org/index.php/EDMCU/article/view/166642