0186-7210
0186-7210
S0186-72102008000300513
10.24201/edu.v23i3.1320
USA
00
12
2008
00
12
2008
23
3
513
541
[
2005
]
[
2000
81
1
1
389-403
]
[
1990
52
52
405-19
]
[
2001
]
[
1983
]
[
2000
37
1
1
17-27
]
[
2003
]
[
1986
12
12
203-16
]
[
1995
59-94
]
[
Conapo
2002
]
[
1994
31
1
1
95-113
]
[
2000
22
3
3
262-89
]
[
2004
19
2
2
135-52
]
[
2003
22
22
91-101
]
[
1988
14
4
4
688-704
]
[
2001
58
1
1
1-27
]
[
1988
]
[
2004
66
5
5
1201-13
]
[
2004
230-48
]
[
2002
]
[
1988
37
4
4
405-10
]
[
2003
77
77
71-102
]
[
2000
00-55
]
[
1993
98
6
6
1428-58
]
[
1989
]
[
INEGI
2003
]
[
1999
99-16
]
[
2005
]
[
1997
12
2
2
189-202
]
[
1992
18
1
1
79-103
]
[
2000
54
1
1
89-104
]
[
1995
32
3
3
335-52
]
[
2005
17
3
3
305-35
]
[
1998
76
3
3
851-82
]
[
1995
32
1
1
17-28
]
[
1989
26
4
4
627-43
]
[
2006
50
50
97-116
]
[
2001
42-43
42-43
54-110
]
[
2004
117-30
]
[
2006
21
3 (63)
3 (63)
625-61
]
[
1984
21
4
4
435-57
]
[
2007
5
1
1
]
[
1994
66-72
]
[
2000
45-63
]
[
1984
38
1
1
73-87
]
[
2001
42-43
42-43
111-61
]
[
2003
77
77
175-217
]
[
2001
835-69
]
[
1993
48
2
2
64-73
]
[
1984
46
2
2
301-11
]
[
1992
54
209-21
]
[
1994
]
[
1988
25
3
3
387-403
]
[
2001
16
3 (48)
3 (48)
519-44
]
[
2005
45
45
29-48
]
[
2006
]
[
2001
]
[
2004
31-41
]