NAKTHONG, M.; KAEWURAI, W. A DEVELOPMENT OF PROBLEM-BASED LEARNING ACTIVITY ON THE TOPIC OF ENVIRONMENT AND NATURAL RESOURCE TO ENCOURAGE ABILITY REFLECTIVE THINKING FOR MATTAYOMSUKSA 3 STUDENTS. Journal of Buddhist Education and Research (JBER), [S. l.], v. 8, n. 1, p. 301–312, 2022. Disponível em: https://so06.tci-thaijo.org/index.php/jber/article/view/256982. Acesso em: 2 oct. 2026.