DAHER, W. M. Students’ Perceptions of Learning Mathematics With Cellular Phones and Applets. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 4, n. 1, p. pp. 23–28, 2008. DOI: 10.3991/ijet.v4i1.686. Disponível em: https://online-journals.org/index.php/i-jet/article/view/686. Acesso em: 29 jan. 2022.