Chamkrachang S, Nilawan K. The Administrators and Teachers in the Development of Academic Management The Secondary Educational Service Area Office 2 Bangkok. RJPJ [internet]. 2019 Mar. 15 [cited 2026 Sep. 29];13(28):45-5. available from: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/171257