TIEN DAT, Nguyen. ORGANISING THE TEACHING OF FINANCIAL ELEMENTS IN UPPER-SECONDARY MATHEMATICS THROUGH MATHEMATICAL MODELLING ACTIVITIES. Journal of Science Educational Science, [S. l.], v. 70, n. 5, p. 137–146, 2025. DOI: 10.18173/2354-1075.2025-0098. Disponível em: https://hnuejs.edu.vn/es/article/view/1046. Acesso em: 30 jan. 2026.