0186-7210 0186-7210 S0186-72102007000100009 10.24201/edu.v22i1.1292 Mexico 00 04 2007 00 04 2007 22 1 9 42

2004 225-55 2002 64 4 4 53-84 2000 2005 2004 153-95 2002 19-54 2001 7 28 28 9-39 1999 161-75 1999 17 51 51 815-36 2004 43-73 2001 1997 1991 7-34 CEPAL 2004 CEPAL 2003 CEPAL 2003 CEPAL 1994 2000 13 13 35-6 1999 97-124 1992 1995 1998 53-82 2002 17 2006 1994 1992 2000 11-45 1994 1988 205-27 1997 42 2 2 281-322 1995 2 3 3 53-127 1998 12 45-95 2004 479-518 1994 37-55 1998 24 1 1 1-14 1999 43-59 1992 1986 1 2 2 227-65 1999 12 12 32-3 1998 23-52 1999 211-71 1996 2000 San José, Costa Rica 2000 San José, Costa Rica 1996 151-68 1999 22 2 2 217-37 2001 242-70 2000 6 25 25 9-33 1991 2003 1994 17-65 1990 221-8 1999 27 3 3 583-602 1999 167-210 2001 1993 43 7 7 662-76 1987 42 1 1 3-57 2000 15 1 1 149-84