1409-4703
1409-4703
S1409-47032021000100284
10.15517/aie.v21i1.44073
Cuba
Cuba
Cuba
00
04
2021
00
04
2021
21
1
284
317
[
2017
7
3
3
122-31
]
[
2017
6
2
2
171-86
]
[
2008
]
[
2014
9
2
2
321-33
]
[
2010
(Vol. 7
548-56
]
[
2016
16
1
1
301-18
]
[
2003
21
21
22-30
]
[
2007
]
[
2015
No. 30
No. 30
]
[
2016
11
1
1
101-9
]
[
1994
75
8
8
596-600
]
[
2016
3
6
6
]
[
2008
19
1
1
55
]
[
2019
6
3
3
432-41
]
[
2007
43
43
1-14
]
[
2014
]
[
2014
]
[
2006
]
[
2016
18
1
1
5-15
]
[
2016
45
180
180
23-9
]
[
2001
12
2
2
531-93
]
[
Ministerio de Educación Superior, Cuba.
2018
]
[
Ministerio de Educación Superior, Cuba.
2016
]
[
2016
18
3
3
51-64
]
[
2006
27
3
3
139-46
]
[
2019
8
1
1
23-36
]
[
2017
]
[
2018
18
2
2
1-29
]
[
2019
]
[
2019
15
1
1
107-25
]
[
2018
11
3
3
48-60
]
[
2018
7
1
1
42-51
]
[
2017
31
2
2
1-8
]
[
2012
]
[
2017
5
6
6
918-26
]
[
2018
43
1
1
66-77
]
[
2008
45
1
1
166-83
]