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Publicado en línea: 24 mar 2018
Páginas: 3 - 3
DOI: https://doi.org/10.2478/orga-2018-0006
© 2018 Włodzimierz Sroka et al., published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Włodzimierz Sroka
University of Dąbrowa Górnicza,
Poland
Joanna Kurowska-Pysz
University of Dąbrowa Górnicza,
Poland
Štefan Hittmár
University of Žilina,
Slovakia