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Publicado en línea: 09 feb 2017
Páginas: 177 - 179
DOI: https://doi.org/10.1515/ausp-2016-0040
© 2017
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Katalin Lajos
Sapientia University Faculty of Economics, Socio-Human Sciences and Engineering, Miercurea-Ciuc, Department of Human Sciences, Romania