IWAN, Piotr. Supplementary internet materials for teaching German – criteria for their selection and evaluation. Neofilolog, [S. l.], n. 33, p. 205–216, 2019. DOI: 10.14746/n.2009.33.19. Disponível em: https://pressto.amu.edu.pl/index.php/n/article/view/24072. Acesso em: 17 may. 2024.