0187-893X
0187-893X
S0187-893X2021000300144
10.22201/fq.18708404e.2021.3.78053
Germany
00
00
2021
00
00
2021
32
3
144
156
[
2020
59
9653-8
]
[
2020
142
4544−4549
]
[
2018
]
[
2018
29
108-17
]
[
2017
28
120-6
]
[
2013
24
17-22
]
[
2005
16
529-2
]
[
2019
7
2
2
33-9
]
[
2011
88
8
8
1116-8
]
[
2013
90
4
4
470-2
]
[
2020
]
[
]
[
1981
10
1
1
49-82
]
[
]
[
]
[
2003
80
12
12
1471
]
[
2015
]
[
2020
8
1
1
29-39
]
[
2018
]
[
2018
9
1-9
]
[
2020
132
18468-76
]