Authors
Piotr Krzysztofiak
SWPS University of Social Sciences and Humanities, Poland
Ewelina Moroń
University of Wroclaw, Poland
© 2019 Piotr Tomaszewski, Piotr Krzysztofiak, Ewelina Moroń, published by Faculty of Psychology, University of Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.