เดชแพง น. The Development of Mathematical Learning Activities Based on Constructivist Theory Emphasizing Polya’s Problem Solving Processes on Mixed Word Problems for Prathomsuksa 4. Journal of Education Khon Kaen University (Graduate Studies Research), [S. l.], v. 11, n. 4, p. 24–35, 2018. Disponível em: https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/124474. Acesso em: 3 may. 2024.