Thongnuon R, Jaroensuk B, Sangkaosuttirak S. The Development of Manual for Educational Personnel Administration by the Principles of Good Governance Under the Secondary Educational Service Area Office Surat Thani Chumphon. RJPJ [internet]. 2023 Dec. 27 [cited 2025 Apr. 4];17(55):301-16. available from: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/267984