2215-2644 2215-2644 S2215-26442018000200034 10.15517/revedu.v42i2.25937 México 00 12 2018 00 12 2018 42 2 699 716

1983 31 1 1 33-47 1999 22-3 2017 197-220 2002 88 6 6 27-32 2008 27 1 1 33-40 2014 Julio, 2014 Heredia, Costa Rica 2017 8 17 17 28-34 2017 2016 Universidad Autónoma de Chihuahua. 2012 9 1-25 2012 34 2 2 223-33 2001 18 3 3 215-26 2006 2013 6 1 1 29-42 2017 1976 231-5 2009 /2 01 284-6 2008 36 215-45 2003 224 97-114 1995 23 111-28 1997 179-231 2001 18 1 1 27-39 2012 40 5 5 652-80 2013 30 1 1 27-42 2000 17 67-77 2004 85-104 2008 58 3 3 34-6 2002 50 145-54 1967 2001 3 2 2 169-86 2002 327-47 1999 17 141 141 98-102. 2013 32 19-52 1999 16 3 3 275-91 2001 3 2 2 155-67 2015 9 48-55 1990 82 1 1 33-40 2000 2 1 1 45-56 2008 32 21-34 2009 181 4 4 37-49. 2006 11 10 10 1-13 2005 53 1 1 40-50 2015 1-13 1990 1996 87 287-309 2006 1986 11 307-13 2008 45 1 1 166-83 2007 25 2 2 27-39