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Publicado en línea: 31 dic 2021
Páginas: 1113 - 1126
DOI: https://doi.org/10.2478/picbe-2021-0104
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© 2021 Denis-Cătălin Arghir, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Arghir, Denis-Cătălin
Bucharest University of Economic StudiesBucharest, Romania