2(31)2021
In this Number
(8 papers)
DOI: https://doi.org/10.23939/jgd2021.02.005
5-15
DOI: https://doi.org/10.23939/jgd2021.02.016
16-28
DOI: https://doi.org/10.23939/jgd2021.02.029
29-40
DOI: https://doi.org/10.23939/jgd2021.02.041
41-52
DOI: https://doi.org/10.23939/jgd2021.02.053
53-65
DOI: https://doi.org/10.23939/jgd2021.02.066
66-83
DOI: https://doi.org/10.23939/jgd2021.02.084
84-91