About this article
Published Online: Oct 18, 2018
Page range: 182 - 194
DOI: https://doi.org/10.2478/eb-2018-0015
Keywords
© 2018 Natalia Scacun and Irina Voronova, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Scacun, Natalia
Riga Technical University,Riga, Latvia
Voronova, Irina
Riga Technical University,Riga, Latvia