LUU TRA MY. DEVELOPING A SYSTEM OF PRACTICAL EXERCISES TO ENHANCE MATHEMATICAL PROBLEM-SOLVING COMPETENCIES FOR FIFTH-GRADE STUDENTS THROUGH REALISTIC MATHEMATICS EDUCATION. Journal of Science Educational Science, [S. l.], v. 69, n. 4, p. 157–169, 2024. DOI: 10.18173/2354-1075.2024-0073. Disponível em: https://hnuejs.edu.vn/es/article/view/271.. Acesso em: 11 apr. 2025.