PRECIADO BABB, A. P. Incorporating the iPad2 in the Mathematics Classroom: Extending the Mind into the Collective. International Journal of Engineering Pedagogy (iJEP), [S. l.], v. 2, n. 2, p. pp. 23–29, 2012. DOI: 10.3991/ijep.v2i2.2084. Disponível em: https://online-journals.org/index.php/i-jep/article/view/2084. Acesso em: 30 jan. 2023.