MAQUINÉ, Gilmara Oliveira; COELHO, Iandra Maria Weirich da Silva; FIGUEIREDO , Sandra Bastos. Digital tools for remote teaching of additional languages in times of pandemic : considerations about Duolingo . Educitec - Revista de Estudos e Pesquisas sobre Ensino Tecnológico, Manaus, Brasil, v. 6, p. e157020, 2020. DOI: 10.31417/educitec.v6.1570. Disponível em: https://sistemascmc.ifam.edu.br/educitec/index.php/educitec/article/view/1570. Acesso em: 18 maio. 2025.