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Publicado en línea: 06 jul 2017
Páginas: 38 - 49
DOI: https://doi.org/10.1515/jeb-2017-0003
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© 2017 South East European Journal of Economics and Business
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Mihaylova, Svilena
Department of Economics, University of Economics – Varna
Bratoeva-Manoleva, Silviya
Department of Economics, University of Economics – Varna