1665-109X 1665-109X S1665-109X2017000100010 Mexico 00 06 2017 00 06 2017 48 0 0

1997 2006 cuarta 2006 1998 2000 cuarta 2012 1997 2000 23 2011 5 9 9 650-65 2008 1991 2011 Chicago 1999 1988 2000 1- 34 National Center for Education Statistics 2000 2013 4 4 28-54 2006 10-23 2015 27 93 93 1998 2006 111-25 2008