1646-5954
1646-5954
S1646-59542021000100137
10.15847/obsobs15120211648
Portugal
30
03
2021
30
03
2021
15
1
137
149
[
2012
]
[
2014
91-108
]
[
2002
]
[
2015
2
2
2
1-12
]
[
2015
]
[
1996
]
[
2017
]
[
2001
15
2
2
195-222
]
[
2016
1-24
]
[
2017
]
[
2018
6
2
2
15-28
]
[
2010
13
2
2
229-52
]
[
2012
10
1
1
42-8
]
[
2010
]
[
2008
29
2
2
105-34
]
[
2014
273-95
]
[
2018
]
[
2007
3
3
3
256-60
]
[
2017
24
2
2
103-18
]
[
2007
]
[
2017
11
824-42
]
[
2013
209
4
4
927-45
]
[
2017
24
2
2
119-35
]
[
2018
20
4
4
1600-17
]
[
2013
]
[
2017
34
1
1
53-73
]
[
2006
]
[
2016
]
[
2017
]
[
2014
12
2
2
197-208
]
[
2015
30
75-89
]
[
2016
]
[
2015
]