1029-3019
1029-3019
S1029-30192021000601492
Cuba
00
12
2021
00
12
2021
25
6
1492
1507
[
2021
35
1
1
]
[
2020
24
6
6
1233-41
]
[
2016
20
1
1
]
[
2016
20
3
3
421-5
]
[
2018
37
1
1
]
[
2019
41
1
1
]
[
2012
6
4
4
]
[
2017
13
2
2
]
[
2012
10
número especial
número especial
]
[
2009
23
3
3
]
[
2013
5
2
2
]
[
2016
20
3
3
421-5
]
[
2013
29
4
4
379-86
]
[
2015
19
1
1
]
[
2016
30
1
1
]
[
2015
29
1
1
93-107
]
[
2017
2
]
[
2000
14
1
1
]
[
2017
7
1
1
]
[
2016
8
4
4
38-53
]
[
2017
31
3
3
]
[
2017
16
5
5
680-5
]
[
2019
4
1
1
]
[
Cuba. Ministerio de Educación Superior
2016
]
[
2017
96
4
4
646-57
]
[
2018
]