2411-9970 2411-9970 S2411-99702018000300093 Cuba 00 12 2018 00 12 2018 7 18 93 111

2017 12 34 34 11-49 2017 89 89 8-10 2006 Kassel, Germany 2012 11 1 1 43-58 2015 4 4 IREG 2016 IREG 2017 IREG 2018 2007 11 3 3 306-29 Ministerio de Educación, Cultura y Deporte 2015 2015 44 173 173 7-9 2013 84 4 4 544-68 2009 18 18 2015 44 175 175 41-67 2015 80 80 20