PIMPORN PINYO; CHAIPHAT PLYBOUR; ORRASA PRASITNOK. Development of Scientific Problem-Solving Skills in 5th Grader Using Problem-Based Learning. Journal of Educational Issues, [S. l.], v. 9, n. 1, p. pp. 217–229, 2024. DOI: 10.5296/jei.v9i1.20603. Disponível em: https://macrojournal.org/index.php/jei/article/view/1058. Acesso em: 5 oct. 2024.