1870-4654
1870-4654
S1870-46542021000100933
10.22201/iij.24487872e.2021.21.15614
Spain
00
12
2021
00
12
2021
21
933
961
[
2017
30
30
]
[
2010
20
20
]
[
2016
]
[
2007
13
]
[
2018
52
52
]
[
2016
110
]
[
2015
]
[
2018
14
14
]
[
1998
]
[
2016
12
12
]
[
2000
94
4
4
]
[
2018
1
]
[
2005
57
2
2
]
[
2017
10
13
13
]
[
2017
6
6
]
[
2017
7
12
12
]
[
2013
891-892
891-892
]
[
2013
]
[
2009
]
[
2015
]
[
2017
189
189
]
[
2000
59
59
]
[
2018
]
[
2016
]
[
2017
12
25
25
]
[
2017
189
189
]
[
2015
]
[
2013
9
1
1
]
[
2007
57
12
12
]
[
2013
]
[
2009
]
[
2016
2
2
2
]
[
2015
]
[
2017
19
38
38
]
[
2017
1423-1424
1423-1424
]
[
2018
75
165
165
]
[
2018
]
[
2018
9
9
]
[
2005
]
[
2018
]
[
2017
13
13
]
[
2018
]
[
2018
]
[
2011
18
18
]
[
2015
]
[
2013
]
[
2018
11
1
1
]
[
1989
6
6
]
[
2017
3
3
]