SAWATAUEA, P.; WONGKHAMJAN, J. Development Problem-Solving Ability by Using Problem-Based Learning Activities Blended with Mind Mapping Technique for Grade 4 Students . Journal of Roi Et Rajabhat University, [S. l.], v. 16, n. 3, p. 109–122, 2022. Disponível em: https://so03.tci-thaijo.org/index.php/reru/article/view/253581. Acesso em: 16 sep. 2026.