AZIZ, A.; SUPRAYITNO, I. J. Misunderstanding and Writing Signs in Mathematical Proof. Education, Science, and Technology International Conference, [S. l.], v. 2, n. 1, p. 252–254, 2024. Disponível em: http://429005.jxltd.asia/index.php/edusciencetech/article/view/584. Acesso em: 26 feb. 2025.