1815-7696
1815-7696
S1815-76962022000401269
Cuba
00
12
2022
00
12
2022
20
4
1269
1283
[
2019
15
68
68
244-8
]
[
2016
28
2
2
215-33
]
[
2021
]
[
2015
20
205
205
]
[
2020
16
72
72
171-7
]
[
2019
10
4
4
33-50
]
[
2018
5
2
2
]
[
2021
5
4
4
27-45
]
[
2018
]
[
Ministerio de Educación Superior
2016
]
[
1990
]
[
2021
extra 5
extra 5
129-41
]