Achnukarn somruk P, Tiangpak P. Modern management models that affect the effectiveness of educational institutions under the Office of the Secondary Education Service Area, Bangkok Area 1. JLAE [internet]. 2025 May 23 [cited 2025 Jun. 8];1(1):1-14. available from: https://so11.tci-thaijo.org/index.php/LAE/article/view/2139