JACINTO, H. .; CARREIRA, S. . Digital tools and paper-and-pencil in solving-and-expressing: how technology expands a student’s conceptual model of a covariation problem. Journal on Mathematics Education, [S. l.], v. 12, n. 1, p. 113–132, 2021. Disponível em: https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3734. Acesso em: 1 jul. 2025.