1990-8644 1990-8644 S1990-86442023000200434 Cuba 00 04 2023 00 04 2023 19 91 434 443

2015 61 1 1 1-14 2019 2018 22 3 3 Cuba. Ministerio de Educación Superior 2016 2019 61 9-19 2015 362 15-9 2014 21 65-74 2019 9 1 1 8-15 2014 19 4 4 15 2020 23 1 1 173-95 2018 26 214-27 2018 18 64 64 109-25 2015 2002 2005 2 4 4 147-71 2014 2018 11 1 1 54-66 2017 25 09-18 2020 71 35-52