1646-5954
1646-5954
S1646-59542020000400135
10.15847/obsobs14420201748
Portugal
Portugal
30
12
2020
30
12
2020
14
4
135
157
[
2017
29-33
]
[
1976
]
[
2017
53-81
]
[
2017
]
[
2017
. 1
]
[
2004
25
1
1
40-53
]
[
2016
6
1
1
]
[
2016
]
[
2018
18
73-94
]
[
2000
]
[
2009
]
[
2017
]
[
2017
34-52
]
[
2016
]
[
2019
]
[
2013
]
[
2002
]
[
2010
]
[
2007
]
[
2017
5-25
]
[
2004
]
[
2005
]
[
2017
]
[
2017
]
[
2018
]
[
2005
]
[
2011
]
[
Project Facet
2015
]
[
2016
]
[
2016
]
[
2004
25
1
1
84-97
]
[
2017
21-33
]
[
2017
]
[
2014
]
[
2017
]