BIEN, J. B.; LUCILO, J. A. SCHEMA- BROADENING INSTRUCTION IN GRADE 9 MATHEMATICS. PEOPLE: International Journal of Social Sciences, [S. l.], v. 5, n. 3, p. 895–905, 2020. DOI: 10.20319/pijss.2020.53.895905. Disponível em: https://grdspublishing.org/index.php/people/article/view/1280. Acesso em: 6 may. 2024.