ELDRED, B. A. Proof and Discourse in Mathematics: Teaching for Competency. Learning to Teach Language Arts, Mathematics, Science, and Social Studies Through Research and Practice, [S. l.], v. 7, n. 1, 2018. Disponível em: https://openjournals.utoledo.edu/index.php/learningtoteach/article/view/258. Acesso em: 18 may. 2024.