0212-9728
0212-9728
S0212-97282021000200010
10.6018/analesps.37.2.338741
Spain
Spain
00
09
2021
00
09
2021
37
2
287
297
[
2012
34
4
4
513-44
]
[
2014
7
4
4
47
]
[
2010
13
2
2
89-104
]
[
2006
]
[
2018
1-14
]
[
2014
14
5
5
1721-7
]
[
2013
37
2
2
14
]
[
2006
236-319
]
[
2007
25
2
2
98-111
]
[
2003
8
13
13
]
[
2004
]
[
1979
16
1
1
64-73
]
[
2017
48
103-13
]
[
2008
]
[
2007
342
1
1
239-56
]
[
2012
35
4
4
787-98
]
[
1981
39-50
]
[
2006
42
6
6
1179
]
[
2005
16
1
1
5
]
[
2007
106-42
]
[
2014
20
1
1
25-45
]
[
2015
45
4
4
581-603
]
[
1998
]
[
2014
89-150
]
[
2005
76
5
5
949-67
]
[
2008
43
2
2
219-28
]
[
2011
40
3-22
]
[
1995
]
[
1999
6
1
1
1-55
]
[
2002
]
[
2017
41
2
2
124-38
]
[
2009
101
1
1
190-206
]
[
2012
7
3
3
249-61
]
[
2018
38
1
1
3-16
]
[
2013
2
536-50
]
[
2013
37
6
6
497-8
]
[
2003
330
1
1
361-71
]
[
2011
]
[
2010
10
]
[
2012
49
4
4
743-74
]
[
1967
]
[
2011
]
[
2017
22
1
1
45-53
]
[
2011
14
1
1
]
[
2004
28
2
2
147-69
]
[
2016
]
[
2008
84
2
2
101-9
]
[
2011
275-94
]
[
2000
25
54-67
]
[
2012
1
2
2
252
]
[
2009
]
[
2006
7
1-22
]
[
1996
54
3
3
6-10
]
[
2003
]
[
2015
20
1
1
20-6
]
[
2016
21
2
2
]
[
2012
195-220
]
[
2014
]
[
2010
]
[
2018
48
6
6
1273-96
]
[
2005
27
6
6
639-54
]
[
2011
16
2
2
209
]
[
2014
14
71-92
]
[
2010
47
633-62
]
[
2011
49
4
4
465-80
]
[
2011
12
1-23
]
[
2009
]
[
2006
34
6
6
806-38
]
[
2014
18
2
2
29-43
]
[
2010
]
[
2009
18
1
1
7-44
]
[
2011
15
2
2
211-31
]