0871-9187
0871-9187
S0871-91872020000200071
10.21814/rpe.18339
Portugal
Portugal
Portugal
Brasil
31
12
2020
31
12
2020
33
2
71
94
[
1990
]
[
1999
]
[
2001
5
64-76
]
[
2019
54
2
2
221-30
]
[
1995
131-59
]
[
1996
1
35-48
]
[
1998
1ª ed.
]
[
2003
103
31-55
]
[
2008
55-70
]
[
2010
54
2
2
533-64
]
[
2012
1
441-58
]
[
2012
7
1
1
24-45
]
[
2017
161-92
]
[
2020
16
1
1
]
[
2020
64
1
1
]
[
2015
16-42
]
[
1994
]
[
2000
103-24
]
[
1999
]
[
1976
27
4
4
387-91
]
[
1986
62
59-79
]
[
1987
68
15-39
]
[
2002
]
[
1997
]
[
2005
35
2
2
203-13
]
[
2007
37
1
1
95-101
]
[
1981
]
[
2008
36
3
3
5-10
]
[
2017
14
617-30
]
[
2012
]
[
2008
36
3
3
47-56
]
[
2016
108
1315-31
]
[
2002
1
Taipei, Taiwan
421-4
]
[
1999
]
[
2016
8
2
2
301-44
]
[
2002
18
1
1
102-10
]
[
2007
2
2
2
107-17
]