2177-6059
2177-6059
S2177-60592017000300427
10.18593/r.v42i3.14119
Angola
Portugal
Portugal
00
12
2017
00
12
2017
42
3
427
448
[
8
8
3-5
]
[
2
3
3
11-49
]
[
4
7
7
10-8
]
[
33
3
3
198-204
]
[
28
3
3
371-89
]
[
6
2
2
67-81
]
[
11
26
26
8-29
]
[
34
2
2
251-64
]
[
99
99
5-15
]
[
24
1
1
11-31
]
[
34
3
3
1-14
]
[
29
103
103
535-54
]