0188-4999
0188-4999
S0188-49992023000100110
10.20937/rica.54549
Bulgaria
Bulgaria
00
00
2023
00
00
2023
39
[
2017
228
415
]
[
2005
11
127-52
]
[
2009
77
983-8
]
[
1982
29
2
2
247-55
]
[
2017
142
110-6
]
[
1993
8
3
3
291-8
]
[
2009
83
429-37
]
[
2017
4
3
3
70-3
]
[
1978
27
37-43
]
[
2017
55-71
]
[
2017
17
1-7
]
[
2018
27
3
3
1-8
]
[
2017
22-24
1149-53
]
[
2018
5
2
2
57-67
]
[
2020
3
1
1
3-12
]
[
MEA
2005
155
]
[
2016
227
5
5
]
[
2018
69
1
1
159-71
]
[
2012
137-56
]
[
2017
391
90-9
]