About this article
Published Online: Mar 29, 2022
Page range: 246 - 248
DOI: https://doi.org/10.2478/sjs-2022-0012
© 2022 Silvia Staubli, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Silvia Staubli
Lehrbeauftragte Universität Fribourg,