1409-4258 1409-4258 S1409-42582020000200459 10.15359/ree.24-2.22 Cuba Cuba Cuba 00 08 2020 00 08 2020 24 2 459 474

2010 2011 2014 2010 1988 2007 2011 3 25 25 1997 2006 2000 21-66 1987