About this article
Published Online: Dec 21, 2020
Page range: 1 - 7
DOI: https://doi.org/10.2478/bsmr-2020-0001
© 2020 Indrek Ibrus et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Indrek Ibrus
Tallinn University,
Estonia
Teet Teinemaa
Tallinn University,
Estonia