TRONGSAKUL, P.; THAMMAPRATEEP, J.; PHADUNGPHATTHANAKOON, S. The Development of Science Competency through Problem-based Learning in the Topic of Changes in Matters of Grade 5 Students at Ban Thung Chon School in Nakhon Si Thammarat Province. STOU Education Journal, [S. l.], v. 19, n. 1, p. 55–83, 2026. Disponível em: https://so05.tci-thaijo.org/index.php/edjour_stou/article/view/286331. Acesso em: 16 sep. 2026.