KEMMLER, R. The first Portuguese Textbooks of the German Language, based on the Method Gaspey-Otto-Sauer . Revista da ABRALIN, [S. l.], v. 20, n. 3, p. 411–429, 2021. DOI: 10.25189/rabralin.v20i3.1915. Disponível em: https://revista.abralin.org/index.php/abralin/article/view/1915. Acesso em: 16 jun. 2024.