0186-7210
0186-7210
S0186-72102006000300547
10.24201/edu.v21i3.1242
Mexico
Mexico
00
12
2006
00
12
2006
21
3
547
623
[
1997
47
1
1
43-9
]
[
1998
16
1
1
26-60
]
[
1987
77
4
4
531-53
]
[
1986
21
4
4
485-506
]
[
1997
31
4
4
1112-21
]
[
1993
]
[
Conapo
2004
]
[
1992
155-95
]
[
1978
]
[
2003
40
2
2
289-307
]
[
1999
7
3
3
1-34
]
[
2002
]
[
1991
]
[
2000
]
[
2000
18
2
2
282-305
]
[
1992
27
2
2
107-27
]
[
1999
86
2
2
518-36
]
[
2001
36
1
1
107-286
]
[
1989
97
808-27
]
[
1989
79
3
3
519-35
]
[
1982
17
3
3
339-57
]
[
1988
]
[
1986
21
3
3
397-405
]
[
2000
108
3
3
604-31
]
[
2000
18
2
2
282-305
]
[
1998
7
13
13
199-227
]
[
INEGI
1998
]
[
INEGI
1996
]
[
2002
80
3
3
981-1004
]
[
2000
34
1
1
183-214
]
[
2001
35
4
4
1106-28
]
[
1991
175-206
]
[
1987
77
3
3
313-30
]
[
1997
]
[
1995
37-52
]
[
2001
36
3
3
105-31
]
[
1999
34-52
]
[
1997
102
102
939-99
]
[
1999
33
2
2
378-402
]
[
2003
70
279
279
457-505
]
[
2003
81
3
3
1147-70
]
[
2002
52
8
8
710-7
]
[
2001
37
4
4
]
[
1990
14
3
3
]
[
1998
]
[
1997
47
1
1
]
[
2002
]
[
1999
16
3
3
93-7
]
[
1998
7
13
13
55-71
]
[
1991
]
[
1993
33
1
1
42-60
]
[
2002
]
[
1981
]
[
1990
]
[
1962
70
5
5
80-93
]
[
1985
70
2
2
173-8
]
[
1976
]
[
1969
59
1
1
138-48
]
[
1987
13
1
1
101-14
]
[
2000
]
[
1999
]
[
1990
]
[
1999
72
97-8
]
[
2001
36
1
1
159-84
]
[
2001
]
[
1995
29
29
29
395-422
]
[
1999
42
9
9
1350-80
]
[
2003
79
79
53-70
]