Sokolowsky, Celia. “Ich-Will-Deutsch-lernen.de: A Learning Portal for Second Language and Literacy Acquisition in Heterogeneous Classes”. LESLLA Symposium Proceedings 10, no. 1 (maio 19, 2015): 319–334. Acessado maio 26, 2024. https://lesllasp.journals.publicknowledgeproject.org/index.php/lesllasp/article/view/6198.