Authors
Piotr Jan Francuz
The John Paul II Catholic University of Lublin, Lublin, Poland
Anna Szymańska
The John Paul II Catholic University of Lublin, Lublin, Poland
Marcin Wojtasiński
The John Paul II Catholic University of Lublin, Lublin, Poland
© 2019 Piotr Jan Francuz, Anna Szymańska, Marcin Wojtasiński, published by Faculty of Psychology, University of Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.