2218-3620 2218-3620 S2218-36202018000300349 Cuba 00 06 2018 00 06 2018 10 3 349 359

2003 1999 1999 205-31 2000 2009 2008 13 5 5 2002 1994 2007 2012 2004 2012 2002 1989 2013 2006 11 32 32 2009 1 1 1 31-42 2008 2004 36 36 2000 Ministerio de Educación Superior 2004 1999 2002 5 9 9 2007 1998