1607-4041
1607-4041
S1607-40412018000200025
10.24320/redie.2018.20.2.1657
Germany
Chile
00
06
2018
00
06
2018
20
2
25
36
[
1983
]
[
2012
30
1
1
230-1
]
[
1999
17
1
1
17-29
]
[
2001
19
2
2
309-18
]
[
2004
]
[
1988
]
[
2010
]
[
2003
]
[
2010
]
[
2012
6078-97
]
[
2015
16
5
5
623-35
]
[
1996
33
6
6
569-600
]
[
2000
2
1
1
]
[
2014
505-13
]
[
2005
7
2
2
]
[
2004
]
[
2012
17
2
2
305-39
]
[
2004
595-602
]