KADEN-JAŃSKA, M. U. Europas größte Bildungsmesse – didacta 2010. Germanica Wratislaviensia, [S. l.], v. 133, p. 237–240, 2011. Disponível em: https://wuwr.pl/gwr/article/view/1987. Acesso em: 21 grudz. 2024.