DUMITRASCU, G. . Understanding the Process of Generalization in Mathematics through Activity Theory. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 16, n. 12, p. 46–69, 2017. Disponível em: http://www.ijlter.net/index.php/ijlter/article/view/763. Acesso em: 25 may. 2026.