Breitschwerdt, Lisa, Vanessa Beu, Regina Egetenmeyer, e Silke Grafe. «Digital Media in Adult and Continuing Education in Germany». Excellence and Innovation in Learning and Teaching - Open Access 7, no. 2 (dicembre 20, 2022). Consultato novembre 21, 2024. https://journals.francoangeli.it/index.php/exioa/article/view/15075.