O artykule
Data publikacji: 08 maj 2018
Zakres stron: 80 - 84
Otrzymano: 31 sty 2017
Przyjęty: 29 paź 2017
DOI: https://doi.org/10.2478/prolas-2018-0013
Słowa kluczowe
© 2018 Māra Kūka et al., published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Kūka, Māra
Latvia University of Life Sciences and TechnologiesJelgava, Latvia
Čakste, Ilze
Latvia University of Life Sciences and TechnologiesJelgava, Latvia
Kūka, Pēteris
Latvia University of Life Sciences and TechnologiesJelgava, Latvia