1695-6141
1695-6141
S1695-61412017000300270
10.6018/eglobal.16.3.256061
Spain
Spain
Spain
Spain
00
00
2017
00
00
2017
16
47
270
291
[
2009
26
2
2
67-72
]
[
2012
]
[
2013
]
[
2012
9
]
[
2012
5
3
3
17-32
]
[
2013
31
2
2
]
[
2011
8
1
1
2-9
]
[
2012
77
1
1
12-21
]
[
2013
31
2
2
]
[
2012
6
4
4
876-83
]
[
2013
2
6
6
43-9
]
[
2005
49
6
6
608-15
]
[
1982
]
[
1993
42
148-52
]
[
2009
43
3
3
630-8
]
[
1998
4
12-8
]
[
2010
10
4
4
200-3
]
[
2014
27
17
17
1738-43
]
[
2015
28
3
3
252-8
]
[
2014
26
4
4
347-52
]
[
2013
80
5
5
380-4
]
[
2013
26
6
6
616-8
]
[
2012
156
4
4
330-6
]
[
2012
104
1
1
8-11
]
[
2014
14
1
1
304
]