0121-5051
0121-5051
S0121-50512019000100143
10.15446/innovar.v29n71.76401
Portugal
Portugal
Portugal
00
03
2019
00
03
2019
29
71
143
157
[
1968
23
4
4
589-609
]
[
1977
1
29-54
]
[
2004
]
[
2008
]
[
1966
4
71-111
]
[
2014
]
[
2009
6
4
4
503-21
]
[
2016
]
[
2009
18
3
3
199-207
]
[
1999
17
4
4
493-503
]
[
2008
45
1
1
43-6
]
[
2007
1
1
1
16-28
]
[
1980
18
1
1
109-31
]
[
2015
11
1
1
153-9
]
[
2011
17
476-83
]
[
2003
1-7
]
[
2014
61
6
6
739-57
]
[
2013
21
2
2
143-64
]
[
2012
6
1-17
]
[
1985
12
1
1
19-45
]
[
1984
22
59-82
]