Walter-Laager, Catherine; Brandenberg, Kathrin; Tinguely, Luzia; Schwarz, Jürg; Pfiffner, Manfred; Moschner, Barbara (2016). Media-assisted language learning for young children: Effects of a word-learning app on the vocabulary acquisition of two-year-olds. British Journal of Educational Technology, 48 (4), S. 1062-1072. https://doi.org/10.1111/bjet.12472