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Open Access
|Jan 2018

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DOI: https://doi.org/10.1515/prolas-2017-0072 | Journal eISSN: 2255-890X | Journal ISSN: 1407-009X
Language: English
Page range: 408 - 413
Submitted on: Oct 10, 2016
Accepted on: Nov 29, 2017
Published on: Jan 19, 2018
Published by: Latvian Academy of Sciences
In partnership with: Paradigm Publishing Services
Publication frequency: 6 issues per year

© 2018 Elīna Ciekure, Inese Siksna, published by Latvian Academy of Sciences
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.