1815-7696 1815-7696 S1815-76962020000100105 Cuba 00 03 2020 00 03 2020 18 1 105 119

2011 2014 2005 2007 2010 MES 2016 2012 2010 2016 8 18 18 2012 UNESCO 2010 UNESCO 2015 UNESCO 2019