PERNA, C. B. L.; MOLSING, K. V.; VISALLI, C. Teaching strategies for the four skills in English as an Additional Language. BELT - Brazilian English Language Teaching Journal, [S. l.], v. 7, n. 1, p. 1–2, 2016. DOI: 10.15448/2178-3640.2016.1.25542. Disponível em: https://revistaseletronicas.pucrs.br/ojs/index.php/belt/article/view/25542. Acesso em: 27 apr. 2024.