1.
Thongboonma S, Duangchatom K, Ruangsuwan C. Lower Secondary Student Characteristics Development Model According to the Royal Policy on Education of Educational Institutions under the Secondary Educational Service Area Office Maha Sarakham. IARJ [internet]. 2024 Oct. 18 [cited 2026 Oct. 1];4(5):573-88. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/277433