Costa, M., Hausner, A., & Katelhoen, P. (2014). Learning to teach German: Blended-learning training programmes for future German language teachers. RiCOGNIZIONI. Rivista Di Lingue E Letterature Straniere E Culture Moderne, 1(1), 143–152. https://doi.org/10.13135/2384-8987/549