1727-8120

1727-8120

S1727-81202021000200509

Cuba

00 08 2021

00 08 2021

21 2 509 523

1

2009 9 2 2

1-29

2

2001

3

2008 22 4 4

4

2017

5

2019 11 1 1

63-74

6

Ministerio de Educación Superior 2018

7

2018 17 2 2

278-89

8

2018 10 1 1

49-59

9

2017 9 3 3

36-53

10

2012 4 2 2

11

2018 97 1 1

155-65

12

2020 18 4 4

13

1997 2ª

191-208

14

2019 20 ^s2 ^s2 2

74-8

15

2018 10 2 2

16

2018 21 1 1

17

2009 20 3 3

162-8

18

2019 1 1

273-82

19

2020 12 3 3

182-202

20

2008 12 5 5

21

2014 18 5 5

878-92

22

2017 21 1 1

123-33

23

2010

37

24

2018 10 1 1

168-82