Student perspectives about mobile learning initiatives at Open University of Brazil: the mobile phone issue - doi: 10.4025/actascieduc.v32i2.11545. Acta Scientiarum. Education, [S. l.], v. 32, n. 2, p. 219–223, 2010. DOI: 10.4025/actascieduc.v32i2.11545. Disponível em: https://www.periodicos.uem.br/ojs/index.php/ActaSciEduc/article/view/11545. Acesso em: 30 maio. 2026.