1684-1859 1684-1859 S1684-18592019000200048 Cuba Cuba 00 12 2019 00 12 2019 11 2 48 64

1 2009 2 2015 7 2 2 185-95 3 2016 11 1 1 4 2013 39 1 1 135-47 5 2007 36 1 1 6 2008 46 1 1 3-8 7 2013 59-66 8 2001 9 ORACLE 2013 10 2010