O artykule
Data publikacji: 31 gru 2018
Zakres stron: 92 - 102
DOI: https://doi.org/10.2478/poljes-2018-0008
Słowa kluczowe
© 2019 Aneta Ostaszewska, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Ostaszewska, Aneta
IPSIR, University of Warsaw,Warsaw, Poland