Yala R, Kawmongkon S, Dechhome P. Participatory Model Development in Administration Based on 21st Century Dynamics in Secondary Schools under the Secondary Education Service Area office Nonthaburi. AMJ [internet]. 2024 Mar. 31 [cited 2025 Mar. 26];8(1):518-43. available from: https://so02.tci-thaijo.org/index.php/jam/article/view/268781