1409-4258
1409-4258
S1409-42582021000100451
10.15359/ree.25-1.24
Cuba
00
04
2021
00
04
2021
25
1
451
469
[
2012
29
2
2
85-105
]
[
2003
14
14
1-16
]
[
2016
9
18
18
89-109
]
[
2005
]
[
2015
15
1
1
100-10
]
[
2016
20
2
2
1-10
]
[
2015
64
159
159
109-30
]
[
2017
29
2
2
109-26
]
[
2014
10
2
2
213-29
]
[
2018
30
1
1
117-32
]
[
2020
99-107
]
[
2018
16
16
170-82
]
[
2014
12
2
2
19-34
]
[
2006
11
35
35
11-30
]
[
2018
11
5
5
19-30
]
[
2018
37
3
3
80-92
]
[
2020
147-61
]
[
2011
160-4
]
[
2009
12
1
1
33-50
]
[
2017
21
2
2
1-17
]
[
2015
6
16
16
110-25
]
[
2010
]
[
2018
18
1
1
11-2
]
[
2018
20
34
34
36-58
]
[
2014
26
1
1
41-58
]
[
2019
11
4
4
341-9
]
[
2018
]
[
2018
20
2
2
353-61
]
[
2014
8
1
1
99-126
]
[
2019
38
1
1
1-13
]
[
2016
pp. 61-82
]
[
2015
15
3
3
1-23
]
[
1999
]
[
2018
22
3
3
1-12
]
[
2005
19
3
3
27-43
]
[
2015
28
139-54
]
[
2020
1-15
]
[
1999
]
[
2002
]
[
2017
23
2
2
219-35
]
[
2018
3
43
43
118-31
]
[
2017
15
22
22
1-23
]
[
2014
229-66
]
[
2020
11-22
]
[
2019
22
1
1
117-38
]
[
2006
11
2
2
505-23
]