Authors
Ineta Geipele
Riga Technical University,, Riga, Latvia
Iveta Stāmure
Riga Technical University,, Riga, Latvia
© 2017 Laimdota Šnīdere, Ineta Geipele, Iveta Stāmure, published by Riga Technical University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.