2448-718X
2448-718X
S2448-718X2019000100095
10.20430/ete.v86i341.354
Spain
Spain
Chile
00
03
2019
00
03
2019
86
341
95
125
[
2008
61
4
4
445-59
]
[
1969
59
1
1
35-49
]
[
OIT
CSA-CSI
CELDS
2013
73-90
]
[
1991
289-306
]
[
OIT
2013
48-72
]
[
2008
46
2
2
248-67
]
[
OIT
2013
211-40
]
[
2004
42
3
3
481-506
]
[
2011
49
1
1
70-92
]
[
1986
]
[
1997
35
547-66
]
[
1944
]
[
1995
153-88
]
[
1999
37
1150-75
]
[
1979
]
[
2015
]
[
2012
]
[
1994
62
2
2
285-96
]
[
2003
9
1
1
61-78
]
[
2010
2
]
[
1993
46
4
4
704-17
]
[
2014
67
1
1
60-85
]
[
2004
72
113-44
]
[
2010
49
158-80
]
[
2010
63
4
4
585-605
]
[
2004
]
[
1993
24
1
1
3-13
]
[
OIT
2013
]
[
1989
]
[
2008
]
[
1951
4
3
3
323-42
]
[
1960
]
[
1948
]
[
1988
]
[
2007
]
[
2012
]
[
2015
14
53
53
15-32
]
[
2003
41
69-88
]
[
1986
11
5
5
643-55
]
[
1971
65
1
1
28-37
]
[
2013
]
[
2015
1
]
[
2001
47
1-24
]