2550-6722 2550-6722 S2550-67222018000200067 Ecuador 00 12 2018 00 12 2018 6 67 84

2006 2004 Tercera 2009 1993 2012 2003 2001 2015 2002 2012 46 1/2 1/2 132-53 1982 Tercera 2010 2009 2007 2010 2015 1994 OECD 2015 OCDE Eurostat 2006 3ra 1998 2014 2a