2183-6914
2183-6914
S2183-69142021000100030
10.31877/on.2021.42.04
Portugal
Portugal
Portugal
30
06
2021
30
06
2021
42
30
37
[
2006
40
2
2
221-7
]
[
2017
2
1
1
307-18
]
[
2011
66
66
157-74
]
[
2013
34-42
]
[
1993
]
[
2011
101-38
]
[
2007
12
4
4
960-71
]
[
2010
35
1
1
19-33
]
[
2004
9
1
1
7-14
]
[
2008
]
[
2000
]
[
2008
42
3
3
555-61
]
[
2016
14
3
3
925-51
]
[
2015
23
1
1
114-23
]
[
2016
]
[
2010
]
[
2012
]
[
2010
13
2
2
210-6
]
[
2009
33
2
2
253-61
]
[
2016
]
[
2016
6
2
2
42-52
]
[
2018
27
2
2
495-505
]
[
2011
24
3
3
414-8
]