2184-7770
2184-7770
S2184-77702021000100072
10.36367/ntqr.6.2021.72-82
Portugal
Portugal
30
03
2021
30
03
2021
6
72
82
[
2008
6-7
]
[
2005
8
1
1
19-32
]
[
2014
5
2
2
2-18
]
[
2017
21
5
5
597-608
]
[
2019
30
1
1
87-110
]
[
2016
42
4
4
49-68
]
[
2020
]
[
2019
861
156-69
]
[
2018
40
111-26
]
[
2016
33
3
3
279-96
]
[
2005
31
4
4
419-30
]
[
2009
26
2
2
91-108
]
[
2019
52
2-3
2-3
298-311
]
[
2019
37
2
2
123-45
]
[
2010
7
2
2
157-69
]
[
2019
5
22
22
118-28
]
[
2010
33
4
4
421-36
]
[
2017
15
1
1
75-105
]
[
2013
17
4
4
409-32
]
[
2014
37
2
2
220-36
]
[
2020
47
5
5
102-21
]
[
2010
19
2
2
107-27
]
[
2005
2
2
2
183-93
]
[
2016
46
161
161
566-92
]