1645-3794
1645-3794
S1645-37942021000100007
10.4000/cea.6536
Portugal
Portugal
South Africa
30
06
2021
30
06
2021
41
7
14
[
2010
3
10
10
62-84
]
[
2013
1-6
]
[
2012
37
4
4
117-40
]
[
2011
]
[
2005
17
2
2
179-98
]
[
2012
33
10
10
1889-908
]
[
2018
4
1
1
1-16
]
[
2018
10
3
3
355-66
]
[
2007
]
[
2011
]
[
1994
]
[
2006
]
[
2016
37
4
4
557-74
]
[
2020
127-43
]
[
1990
49
3-24
]
[
2007
17
4-5
4-5
485-91
]