LU, C. H. Mind map: An auxiliary tool in the teaching and learning of the grammar of Portuguese as a foreign language by Chinese learners. Letras de Hoje, [S. l.], v. 55, n. 4, p. e38623, 2020. DOI: 10.15448/1984-7726.2020.4.38623. Disponível em: https://revistaseletronicas.pucrs.br/ojs/index.php/fale/article/view/38623. Acesso em: 27 jul. 2024.