ROLAND G POURDAVOOD. Importance of Mathematical Communication and Discourse in Secondary Classrooms. Global Journal of Science Frontier Research, [S. l.], v. 15, n. F10, p. 9–20, 2015. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/1699. Acesso em: 5 may. 2024.