Authors
Anke Hallwaß
Präha Bildungszentrum, Lehrinstitut für Logopädie, Düsseldorf, Germany
Wibke Hollweg
Alice Salomon Hochschule Berlin, Berlin, Germany
© 2017 Anke Hallwaß, Wibke Hollweg, published by ZHAW Zurich University of Applied Sciences
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.