About this article
Published Online: Feb 02, 2022
Page range: 12 - 31
Received: Sep 17, 2021
Accepted: Nov 15, 2021
DOI: https://doi.org/10.2478/csep-2021-0008
Keywords
© 2021 Petya Koleva et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Koleva, Petya
Sofia
Berbenkova, Milena
Intercultura ConsultSofia