Published Online: Dec 23, 2019
Page range: 1 - 5
DOI: https://doi.org/10.2478/bjreecm-2019-0020
© 2019 by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Ineta Geipele
Riga Technical University,
Riga, Latvia
Linda Kauškale
Riga Technical University,
Riga, Latvia