1665-8574 1665-8574 S1665-85742020000200011 10.22201/cialc.24486914e.2020.71.57269 Cuba 00 12 2020 00 12 2020 71 11 35

2014 2017 26 2013 1998 12-13 2015 60 2016 8 4 4 2017 2014 16 2003 1997 10 2015 153 2015 19 1 1 2014 2000 3 2008