1134-8046
1134-8046
S1134-80462018000600335
10.20986/resed.2017.3646/2017
Chile
Chile
Chile
00
12
2018
00
12
2018
25
6
335
341
[
2006
35
2
2
103-9
]
[
2013
31
1
1
23-31
]
[
2003
14
2
2
235-9
]
[
2003
32
4
4
408-13
]
[
2004
]
[
2006
14
1
1
3-8
]
[
2008
26
2
2
88-95
]
[
2011
88
3
3
89-101
]
[
2005
19
1
1
58-64
]
[
2014
40
4
4
153-4
]
[
2016
273
1
1
203-8
]
[
2007
65
1
1
22-9
]
[
2009
124
6
6
1905-15
]
[
2010
23
7
7
777-91
]
[
2011
44
1
1
1-7
]
[
2012
113
3
3
334-9
]
[
2005
]
[
2010
34
3
3
149-58
]
[
2011
38
6
6
395-403
]
[
2001
28
6
6
560-71
]
[
2007
25
4
4
283-91
]
[
2009
67
12
12
2699-701
]
[
2012
25
5
5
576-83
]