1870-6622
1870-6622
S1870-66222021000200057
10.18381/eq.v18i2.7209
Brazil
00
12
2021
00
12
2021
18
2
57
81
[
2003
93
1
1
170-92
]
[
2007
81
]
[
2001
72
1
1
87-9
]
[
1990
22
22
891-904
]
[
1995
62
1
1
34-43
]
[
2008
17
1
1
33-44
]
[
2005
4
3
3
209-22
]
[
2009
57
2
2
187-203
]
[
2006
72
3
3
542-59
]
[
1989
104
4
4
635-54
]
[
1989
71
1
1
143-53
]
[
2014
18
4
4
657-78
]
[
2004
]
[
2021
]
[
2007
37
4
4
791-816
]
[
1988
41
2
2
263-80
]
[
1989
3
2
2
263-78
]
[
2004
]
[
2014
44
4
4
815-45
]
[
2002
84
4
4
931-42
]
[
1993
75
4
4
700-6
]
[
1973
11
3
3
302-13
]
[
2004
235
]
[
1981
113-36
]
[
2010
42
20
20
2631-44
]
[
1988
24
3-4
3-4
317-30
]
[
1988
35
1
1
63-84
]
[
1987
193-212
]
[
1999
46
3
3
315-34
]
[
2007
4
]
[
2004
51
1
1
62-81
]
[
1998
5565
33-62
]
[
1993
]
[
1993
34
3-4
3-4
269-87
]
[
1986
52
4
4
923-32
]
[
2007
]
[
1978
8
4
4
483-511
]
[
2008
144
1
1
151-80
]
[
2005
8
1
1
173-82
]
[
2006
10
4
4
589-607
]
[
2011
94
2
2
220-30
]
[
2015
310-28
]
[
1989
71
4
4
708-12
]
[
1991
19
1225-40
]
[
1990
12
3
3
341-62
]
[
1966
]
[
1998
8
1
1
21-38
]
[
1999
13
1
1
71-106
]
[
1997
7
1
1
73-87
]
[
2010
13
2
2
27-37
]
[
2004
43
4
4
813-28
]
[
1999
135
1
1
102-27
]
[
2010
]
[
2006
3
1
1
85-102
]
[
1989
33
6
6
1241-64
]
[
2000
30
1
1
1-22
]
[
1963
90
90
91-113
]
[
2000
30
7-46
]
[
2007
07/292
07/292
]
[
2006
88
4
4
641-58
]
[
2002
9
1
1
133-52
]
[
2008
]
[
2016
20
2
2
229-49
]
[
2007
82
2
2
485-508
]
[
2019
12
6
6
1-14
]
[
1987
69
3
3
488-95
]
[
1962
]
[
2014
]
[
1996
]
[
2003
]