2077-2955 2077-2955 S2077-29552020000200191 Cuba Cuba 00 08 2020 00 08 2020 16 2 191 209

2011 2009 4 1 1 317-23 2011 2013 2018 31 31 137-48 2008 8 1 1 2015 21 1-15 2002 UNESCO 1998 41 2015 2000 2002 41 2 2 64-70