About this article
Published Online: Nov 05, 2014
Page range: 3 - 4
DOI: https://doi.org/10.2478/bjes-2014-0011
© by Tatyana Muravska
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Tatyana Muravska
Jean Monnet Centre of Excellence University of Latvia