0871-9187
0871-9187
S0871-91872022000100405
10.21814/rpe.23263
Portugal
Portugal
30
06
2022
30
06
2022
35
1
405
427
[
2001
]
[
2006
]
[
1999
49
48-50
]
[
2018
48
5
5
639-56
]
[
2018
2918-28
]
[
2018
2928-43
]
[
European Commission
2018
]
[
2017
325-33
]
[
2019
749-60
]
[
2007
4th
]
[
2014
11-9
]
[
2007
1st
]
[
2017
]
[
2015
47-62
]
[
2021
26
577-87
]
[
2007
41-57
]
[
2018
5
2
2
3-17
]
[
2006
61-86
]
[
2019
39-51
]
[
2021
77-98
]
[
OECD
2019
I
]
[
OECD
2019
]
[
OECD
2018
]
[
2013
27
]
[
2014
20
4
4
427-39
]
[
2019
]
[
2006
87-126
]
[
2019
4
2
2
9-30
]
[
2019
2954-7
]
[
2021
]
[
2014
187-206
]
[
2004
177-97
]
[
UNESCO
2017
]
[
União Europeia
2006
]
[
2018
]
[
2011
32
145-55
]