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. Interdisciplinary Academic and Research Journal , Maha Sara Kham, TH., v. 4, n. 5, p. 573–588, 2024. DOI: 10.60027/iarj.2024.277433. Disponível em: https://so03.tci-thaijo.org/index.php/IARJ/article/view/277433. Acesso em: 1 oct. 2026.