2007-7890 2007-7890 S2007-78902021000700018 10.46377/dilemas.v9i1.2843 Cuba Cuba Cuba 00 12 2021 00 12 2021 9 1

1. 2011 1. 2012 2. 2013 3. 2012 4. 2018 18 64 64 16-28 5. 2018 VI 1 1 6. 2021 7. 2009 8. 2016 9. Ministerio de Educación 2014 10. 2016 11. 2011 3 28 28