2184-7770
2184-7770
S2184-77702021000300412
10.36367/ntqr.8.2021.412-421
Portugal
Portugal
Portugal
Portugal
Portugal
20
06
2021
20
06
2021
8
412
421
[
2017
1
2
2
34-44
]
[
2019
24
5
5
1583
]
[
2012
47
4
4
435-43
]
[
2013
58
16-9
]
[
2012
46
4
4
220-1
]
[
2010
]
[
2020
54
2
2
3-5
]
[
2019
20
394
394
1-13
]
[
2016
50
24
24
1493-5
]
[
2012
46
854-60
]
[
2016
]
[
2012
4
1
1
]
[
2016
1-16
]
[
2013
]
[
2020
1-19
]
[
2017
2
21
21
17-26
]
[
2010
8
1
1
102-6
]
[
2018
52
15
15
956
]
[
2010
92
13
13
2279-84
]
[
2018
17
2
2
35-9
]