DOS SANTOS, Cíntia Pereira; SILVA, Luciana Idalgo da; DUTRA, Alessandra. WhatsApp as a tool to oral practice and writing learning in English language. BELT - Brazilian English Language Teaching Journal, [S. l.], v. 9, n. 2, p. 492–507, 2019. DOI: 10.15448/2178-3640.2018.2.31140. Disponível em: https://revistaseletronicas.pucrs.br/belt/article/view/31140. Acesso em: 11 dec. 2025.