GREIN, Marion. Kooperatives Lernen im virtuellen [Sprach]Unterricht. Revista Lengua y Cultura, [S. l.], v. 3, n. 6, p. 68–78, 2022. DOI: 10.29057/lc.v3i6.8506. Disponível em: https://repository.uaeh.edu.mx/revistas/index.php/lc/article/view/8506. Acesso em: 31 ago. 2025.