2184-0458
2184-0458
S2184-04582021000100155
10.21814/rlec.3216
Portugal
Portugal
30
06
2021
30
06
2021
8
1
155
173
[
2017
1-10
]
[
2006
]
[
2019
]
[
2020
]
[
1999
25
4
4
1076-96
]
[
1924
]
[
1972
]
[
2020
]
[
2013
]
[
2020
]
[
2000
]
[
2018
7
2
2
43-55
]
[
1958
2
2
19-23
]
[
2004
]
[
2019
9
]
[
1986
]
[
2019
10
]
[
2020
]
[
2010
]
[
2006
]
[
2013
57
4
4
13-27
]
[
2015
]
[
1967
-6
8
]
[
2018
]
[
2004
13
1
1
61-76
]
[
1970
3
169-92
]
[
2015
48
53-6
]
[
s.d
]
[
1943
]
[
2008
13
1
1
125-39
]