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Publicado en línea: 29 nov 2019
Páginas: 945 - 961
DOI: https://doi.org/10.2478/picbe-2019-0083
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© 2019 Sorina Ioana Misu, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Misu, Sorina Ioana
The Bucharest University of Economic StudiesBucharest, Romania