Proceedings of the 13th International Scientific and Practical Conference. 2, 44-50, DOI: https://doi.org/10.17770/etr2021vol2.6623
Saite uz rakstu brīvpieejā pieejama šeit.
Proceedings of the 13th International Scientific and Practical Conference. 2, 44-50, DOI: https://doi.org/10.17770/etr2021vol2.6623
Saite uz rakstu brīvpieejā pieejama šeit.