AZIZ, T. A.; KURNIASIH, M. D. External representation flexibility of domain and range of function . Journal on Mathematics Education, [S. l.], v. 10, n. 1, p. 143–156, 2019. Disponível em: https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3783. Acesso em: 8 jul. 2025.