marta.sipulova@mediamatika.sk
claudiah@oslomet.no
john.osth@oslomet.no
© 2025 Marta Hustava Sipulova, Claudia van der Laag Yamu, John Östh, published by University of Niš, Faculty of EconomicsThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.