Number 1, 2021
In this Number
(11 papers)
DOI: https://doi.org/10.23939/sjs2021.01.007
7-14
DOI: https://doi.org/10.23939/sjs2021.01.015
15-19
DOI: https://doi.org/10.23939/sjs2021.01.025
25-29
DOI: https://doi.org/10.23939/sjs2021.01.030
30-35
DOI: https://doi.org/10.23939/sjs2021.01.049
49 - 55
DOI: https://doi.org/10.23939/sjs2021.01.036
36-42
DOI: https://doi.org/10.23939/sjs2021.01.056
56-68