column
2021, 58(2): 237-252.
DOI: 10.7544/issn1000-1239.2021.20200017
2021, 58(2): 253-263.
DOI: 10.7544/issn1000-1239.2021.20200727
2021, 58(2): 264-280.
DOI: 10.7544/issn1000-1239.2021.20200758
2021, 58(2): 293-304.
DOI: 10.7544/issn1000-1239.2021.20200340
2021, 58(2): 319-337.
DOI: 10.7544/issn1000-1239.2021.20200384
2021, 58(2): 356-370.
DOI: 10.7544/issn1000-1239.2021.20200394
2021, 58(2): 371-383.
DOI: 10.7544/issn1000-1239.2021.20200403
2021, 58(2): 384-396.
DOI: 10.7544/issn1000-1239.2021.20200369
2021, 58(2): 397-405.
DOI: 10.7544/issn1000-1239.2021.20200381
2021, 58(2): 406-417.
DOI: 10.7544/issn1000-1239.2021.20200389
2021, 58(2): 418-426.
DOI: 10.7544/issn1000-1239.2021.20190759
2021, 58(2): 427-435.
DOI: 10.7544/issn1000-1239.2021.20200021
2021, 58(2): 436-443.
DOI: 10.7544/issn1000-1239.2021.20200244