2184-7770
2184-7770
S2184-77702021000300637
10.36367/ntqr.8.2021.637-644
Portugal
20
06
2021
20
06
2021
8
637
644
[
1998
]
[
2001
]
[
2007
]
[
1997
49-56
]
[
2003
13
]
[
1998
]
[
1995
29
9
9
]
[
2001
11
354-5
]
[
1999
33
9/10
9/10
]
[
2001
]
[
2014
3th
]
[
1996
]
[
2000
4th
]
[
2006
6e
3-22
]
[
2002
41
]
[
2007
2
69
69
]
[
1980
8
]
[
2007
4e
529-39
]
[
2007
4e
145-210
]
[
2008
2e
]
[
2011
]
[
2002
2
2ª
]
[
1994
]
[
2004
18
]
[
1998
]
[
2004
]
[
2009
2ª
278-94
]
[
2016
]
[
2000
171-98
]
[
1998
]
[
2006
187-201
]
[
1997
2e
]
[
2002
]
[
1989
13
3
3
]
[
1999
110-1
]
[
2008
]
[
2002
]