Miankaew N, Manoonpol K, Saengamporn S. APPLICATION OF SEVEN SAPPURISADHAMMA PRINCIPLES TO PERSONNEL MANAGEMENT OF SCHOOL ADMINISTRATORS UNDER NAKHON SI THAMMARAT PRIMARY EDUCATIONAL SERVICE AREA OFFICE 3. JSR [internet]. 2023 Jun. 30 [cited 2026 Sep. 29];9(1):43-58. available from: https://so06.tci-thaijo.org/index.php/jslc/article/view/260495