MARTIN, D. R. M-learning and the EFL classroom: Using mobiles as tools to engage teenagers in speaking activities. BELT - Brazilian English Language Teaching Journal, [S. l.], v. 12, n. 1, p. e39752, 2021. DOI: 10.15448/2178-3640.2021.1.39752. Disponível em: https://revistaseletronicas.pucrs.br/index.php/belt/article/view/39752. Acesso em: 26 apr. 2024.