90




  
1  .. // . 90. .: , 2021. .5-35. DOI: https://doi.org/10.25728/ubs.2021.90.1
(: 1594, : 648, : 23)
 
2  .. // . 90. .: , 2021. .36-48. DOI: https://doi.org/10.25728/ubs.2021.90.2
(: 1737, : 582, : 28)
 
  
3  .. : // . 90. .: , 2021. .49-66. DOI: https://doi.org/10.25728/ubs.2021.90.3
(: 1637, : 543, : 16)
 
   -
4  .. // . 90. .: , 2021. .67-93. DOI: https://doi.org/10.25728/ubs.2021.90.4
(: 1614, : 359, : 9)
 
  
5  .., .., .. // . 90. .: , 2021. .24-120. DOI: https://doi.org/10.25728/ubs.2021.90.5
(: 1636, : 1210, : 32)
 
   ,
6  .., .., .. // . 90. .: , 2021. .121-138. DOI: https://doi.org/10.25728/ubs.2021.90.6
(: 1633, : 599, : 63)
 

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