2077-2874 2077-2874 S2077-28742020000300149 Cuba 00 09 2020 00 09 2020 12 3 149 162

1 2013 12 4 4 2 2016 6 3 2011 27 3 3 4 2018 10 3 3 5 2016 30 1 1 6 Ministerio de Educación Superior 2019 7 2019 38 3 3 8 2016 27 27 9 2018 20 1 1 10 2013 29 1 1 11 2018 42 33 33