1688-7468
1688-7468
S1688-74682018000200085
10.22235/pe.v11i2.1647
Spain
Chile
00
12
2018
00
12
2018
11
2
85
107
[
2007
]
[
1991
50
2
2
179-211
]
[
1993
136-62
]
[
2013
7
2
2
11-22
]
[
2009
39
6
6
1002-20
]
[
2001
86
3
3
386-400
]
[
2007
85
1
1
24-9
]
[
1990
46
1
1
147-61
]
[
2002
23
4
4
703-29
]
[
2007
39
5
5
547-68
]
[
2009
]
[
2012
]
[
2015
7
1
1
19-40
]
[
2006
1-15
]
[
2003
31
3
3
299-304
]
[
2006
36
2
2
34-53
]
[
2008
]
[
2006
]
[
2015
18
]
[
2000
102
6
6
1061-85
]
[
2004
32
6
6
793-837
]
[
2003
]
[
2002
23
2
2
253-83
]
[
2007
]
[
2014
134
4
4
427-32
]
[
1991
12
11
11
1171-8
]
[
1974
]
[
AIDIPE
2015
349-57
]
[
2011
9
4
4
7-23
]
[
2011
9
4
4
3-6
]
[
1996
6
1
1
5-22
]
[
2015
55
3-4
3-4
422-32
]
[
2002
]
[
2001
29
5
5
747-78
]
[
1987
53
1
1
201-11
]
[
2002
63
6
6
30-70
]
[
1971
]
[
2012
50
1-2
1-2
77-88
]
[
2013
41
4
4
255-66
]
[
2015
19
3
3
89-112
]
[
1995
21
842-9
]
[
2007
]
[
2000
]
[
2011
]