About this article
Published Online: Jan 11, 2018
Page range: 461 - 463
DOI: https://doi.org/10.1515/ress-2017-0033
Keywords
© 2017 Adrian Stoia, published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Stoia, Adrian
Lucian Blaga University of SibiuSibiu, Romania