1405-6666 1405-6666 S1405-66662007000401329 México Mexico 00 12 2007 00 12 2007 12 35 1329 1356

1964 1998 1981 2003 2006 1982 CONALEP 1994 CONALEP 1997 CONALEP-SEP 2001 1989 1995 3ª 1992 1987 1994 2001 2001 1962 2ª 1988 1997 1991 2004 1996 2001 368-400 1999 XXIII 3-4 3-4 885-72 1992 1998 1977 1987 1991 II 2005 1 1 1 7-15 2001 1993