0120-5307
0120-5307
S0120-53072018000100014
10.17533/udea.iee.v36n1e14
Spain
Portugal
00
04
2018
00
04
2018
36
1
[
2012
344
]
[
2008
43
116-25
]
[
1993
78
538-51
]
[
2015
24
E101-11
]
[
2009
46
1012-24
]
[
2002
3
71-91
]
[
2004
25
293-315
]
[
2013
39
1-10
]
[
2013
69
2786-99
]
[
2016
72
294-305
]
[
2007
18
168-81
]
[
1990
]
[
2006
23
494-505
]
[
2014
25
1185-207
]
[
2009
7
117-33
]
[
2010
150
321-40
]
[
2010
6
102-26
]
[
1988
]
[
2017
36
37-41
]
[
2002
]