À propos de cet article
Publié en ligne: 31 déc. 2021
Pages: 1281 - 1293
DOI: https://doi.org/10.2478/picbe-2021-0118
Mots clés
© 2021 Miglena Pencheva et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Pencheva, Miglena
University of Ruse “Angel Kanchev”Ruse, Bulgaria
Ghinea, Valentina
Bucharest University of Economic StudiesBucharest, Romania