1688-9304 1688-9304 S1688-93042018000100047 10.18861/cied.2018.9.1.2820 Mexico 00 06 2018 00 06 2018 9 1 47 58

1997 9 3 3 541-5 2003 1 3-7 3-7 2015 10 1 1 33-54 2015 239p 2011 8 16 16 1-13 2012 3 1 1 25-39 2007 5 163-7 2016 38 1 1 49-67 2012 17 60 60 676-94 2012 17 3 3 613-9 2011 8 2 2 137-48 2008 75 155 155 15-27 1996 2012 8 2 2 216-29 2014 10 5 5 291-319 Tecnológico Nacional de México 2012 1995 13 3 3 337-46 2008 11 1 1 167-80 Unesco 2003 2006 37 3 3 299-320 2017 56 1 1 43-61