0212-9728
0212-9728
S0212-97282020000200007
10.6018/analesps.36.2.372721
Spain
Spain
Spain
00
09
2020
00
09
2020
36
2
247
253
[
2019
35
5
5
]
[
2011
187
1-2
1-2
291-6
]
[
2009
18
1
1
43-6
]
[
2001
16
4
4
266-75
]
[
2006
47
3-4
3-4
296-312
]
[
2017
29
1
1
87-97
]
[
2017
11
3
3
242-7
]
[
1999
21
1
1
83-97
]
[
2015
]
[
2013
]
[
2018
78
5
5
762-80
]
[
2004
13
1
1
1-7
]
[
2015
27
1
1
53-7
]
[
1972
]
[
1998
]
[
2008
4
1
1
10
]
[
2008
8
1
1
355
]
[
2008
6
1
1
53-60
]
[
2009
18
23
23
3253-61
]
[
1996
]
[
2005
100
3
3
676-80
]
[
2013
37
6
6
497-8
]
[
2002
15
4
4
353-62
]
[
2011
9
4
4
410-20
]
[
2019
273
456-60
]
[
2016
39
8
8
1555-62
]
[
2012
21
7
7
1291-8
]
[
2008
9
12
12
947-57
]
[
2019
27
2
2
257-73
]
[
2014
26
3
3
1021-30
]
[
2013
54
4
4
406-13
]
[
2012
24
2
2
282-92
]
[
2008
20
4
4
839-43
]
[
2006
48
1
1
69-79
]
[
2005
17
2
2
231-6
]
[
2015
56
9
9
936-48
]
[
2011
16
2
2
209-20
]
[
2016
7
769
]
[
2011
29
4
4
377-92
]