Proceedings of the 13th International Scientific and Practical Conference, 1, 13-20, DOI: https://doi.org/10.17770/etr2021vol2.6587
Saite uz rakstu brīvpieejā pieejama šeit.
Proceedings of the 13th International Scientific and Practical Conference, 1, 13-20, DOI: https://doi.org/10.17770/etr2021vol2.6587
Saite uz rakstu brīvpieejā pieejama šeit.