1607-4041
1607-4041
S1607-40412018000400100
10.24320/redie.2018.20.4.1795
Spain
00
12
2018
00
12
2018
20
4
100
109
[
2015
2
1
1
57-89
]
[
2016
11
2
2
177-87
]
[
2012
21
2
2
223-31
]
[
2012
25
2
2
105-17
]
[
2013
24
1
1
52-61
]
[
2015
16
3
3
170-80
]
[
2015
7
1
1
11-8
]
[
2015
26
1
1
67-80
]
[
2000
9
2
2
37-50
]
[
2015
15
2
2
115-26
]
[
2013
22
1
1
151-7
]
[
2013
29
3
3
685-92
]
[
2000
11
4
4
227-68
]
[
2014
7
1
1
233-51
]
[
2011
25
7
7
266-76
]
[
2014
9
1
1
51-65
]
[
2008
20
4
4
642-51
]
[
2015
80
1
1
152-61
]
[
2016
26
1
1
109-15
]
[
2013
18
1
1
57-69
]
[
2010
35
5
5
399-407
]
[
2014
14
3
3
149-56
]
[
2015
27
1
1
18-25
]
[
2013
]
[
2013
59
1
1
41-7
]
[
2014
33
3
3
325-36
]
[
2013
22
1
1
29-38
]
[
2000
18
4
4
275-90
]
[
2014
27
43
43
27-34
]
[
2012
138
2
2
353-87
]
[
2011
29
2
2
467-86
]