1607-4041
1607-4041
S1607-40412017000400134
10.24320/redie.2017.19.4.1336
Spain
00
12
2017
00
12
2017
19
4
134
144
[
2009
6
1
1
20-7
]
[
1998
]
[
1996
1
1
1
5-19
]
[
2009
]
[
2001
43
1
1
217-45
]
[
2012
38
2
2
114-26
]
[
2011
61
2
2
103-20
]
[
2011
16
2
2
119-24
]
[
2007
34
9-13
]
[
2009
]
[
2008
48
2
2
237-62
]
[
2009
11
2
2
257-82
]
[
1997
]
[
2004
]
[
2008
]
[
2002
]
[
2009
68
4
4
266-72
]
[
2009
19
3
3
427-40
]
[
2010
]
[
2006
3
2
2
139-51
]
[
2013
21
5
5
451-63
]