1659-4142 1659-4142 S1659-41422017000200063 10.15517/eci.v7i2.26878 MX 00 12 2017 00 12 2017 7 2 63 79

1963 2010 2013 9 1 1 38-53 2014 41 2 2 175-80 2014 51 1 1 1-3 2007 2005 2006 33 1 1 11-9 1979 1 1 1 13-7 1944 2001 1981 2003 30 2 2 87-111 2009 60 8 8 1519-36 2000 2011 16 2 2 1-24 2015 42 7 7 486-98 2014 37 3 3 2007 101-16 1953 Real Academia de la Lengua Española 2016 2004 1996 2010 61 10 10 1951-69 2009 UNESCO 1988 2008 2008