1727-897X 1727-897X S1727-897X2021000200311 Cuba 00 04 2021 00 04 2021 19 2 311 317

1 Ministerio de Educación Superior 2003 2 2012 41 41 3 2010 24 1 1 4 2013 5 2011 6 2019 38 1 1 7 2016 32 2 2