2077-2955

2077-2955

S2077-29552020000200311

Cuba

00 08 2020

00 08 2020

16 2 311 328

2013

2017

2009

2018

2013 19 2 2

177-88

2017 17 3 3

22-33

2014 21 1 1

79-88

2018 13 1 1

70-81

Ministerio de Educación Superior 2018

1998

2019 19 1 1

160-79

2015 21 2 2

188-209

2016 27 3 3

329-38

2010 10 18 18

117-34

2016 2 3 3

117-26

1996