About this article
Published Online: Sep 02, 2017
Page range: 113 - 114
Received: Jul 04, 2017
Accepted: Jul 05, 2017
DOI: https://doi.org/10.1515/atd-2017-0019
© 2017
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Viola Tamášová
DTI University,Dubnica nad Váhom, Slovakia