PANICHAYAPAN, P. .; NIMSUNK, A. .; POOLIAM, R. Developing Academic Achievement on the Four Noble Truths for 2nd Level of Secondary Khainarai suksa army sponsor School Education Students Using Problem-based Learning. Journal of Faculty of Humanities and Social Sciences Thepsatri Rajabhat University , [S. l.], v. 16, n. 1, p. 183–198, 2025. Disponível em: https://so01.tci-thaijo.org/index.php/truhusocjo/article/view/271889. Acesso em: 10 dec. 2025.