column
2021, 58(1): 1-21.
DOI: 10.7544/issn1000-1239.2021.20190785
2021, 58(1): 22-33.
DOI: 10.7544/issn1000-1239.2021.20190851
2021, 58(1): 48-59.
DOI: 10.7544/issn1000-1239.2021.20200264
2021, 58(1): 60-69.
DOI: 10.7544/issn1000-1239.2021.20190838
2021, 58(1): 70-82.
DOI: 10.7544/issn1000-1239.2021.20190775
2021, 58(1): 83-97.
DOI: 10.7544/issn1000-1239.2021.20190817
2021, 58(1): 98-115.
DOI: 10.7544/issn1000-1239.2021.20190881
2021, 58(1): 116-136.
DOI: 10.7544/issn1000-1239.2021.20190697
2021, 58(1): 137-152.
DOI: 10.7544/issn1000-1239.2021.20190823
2021, 58(1): 153-163.
DOI: 10.7544/issn1000-1239.2021.20190784
2021, 58(1): 164-177.
DOI: 10.7544/issn1000-1239.2021.20190723
2021, 58(1): 178-188.
DOI: 10.7544/issn1000-1239.2021.20190836
2021, 58(1): 224-232.
DOI: 10.7544/issn1000-1239.2021.20190305