1390-8626 1390-8626 S1390-86262020000100117 10.17163/soph.n28.2020.04 Colombia México 00 06 2020 00 06 2020 28 117 138

2011 1986 1974 1982 2009 2011 1999 2004 1991 2006 2008 2016 2002 2015 2019 1973 2013 MINISTERIO DE EDUCACIÓN 2001 2004 2018 2005 2006 2016 1969 1995 1974 2000 2011 1948 2009 2012