Developing Teaching Materials within CEFR-Framework: Current Issues in European Countries: Germany : 2nd ProSign Conference Kollien, Simon 2014 - Lecture2Go UHH - frei zugänglich
Current Issues of CEFR-Adaption for Sign Languages in European Countries: Germany : 2nd ProSign Conference Kollien, Simon 2014 - Lecture2Go UHH - frei zugänglich