,
2020 2021
24 2023
(1 )
2018
16 2020 . N 1696 " "
28 2020 . 495
(2 )
(2007)
23 2020 . N 1898
() 5 :
: , ,
21 2025 . N 640
1 2022
PEFC , 4 2022