0186-7210
0186-7210
S0186-72102007000100043
10.24201/edu.v22i1.1293
USA
00
04
2007
00
04
2007
22
1
43
77
[
1984
]
[
1982
]
[
1997
59
3
3
670-86
]
[
1998
44
3-4
3-4
233-63
]
[
Conapo
2000
]
[
1996
32
32
]
[
1997
18
6
6
]
[
1984
]
[
2004
1
]
[
1997
18
6
6
645-70
]
[
2000
15
1
1
35-63
]
[
1998
60
3
3
745-56
]
[
1993
30
4
4
683-99
]
[
1980
45
45
261-76
]
[
1978
43
43
573-86
]
[
1986
12
12
109-30
]
[
1998
11
11
17-9
]
[
1984
63
1
1
229-44
]
[
1998
35
3
3
293-305
]
[
1999
]
[
2004
1
295-324
]
[
2004
361-92
]
[
1997
18
6
6
627-44
]
[
2001
]
[
1999
207-41
]
[
1994
48
1
1
65-80
]
[
1975
29
1
1
61-73
]