0186-7210
0186-7210
S0186-72102008000100007
10.24201/edu.v23i1.1301
Mexico
00
04
2008
00
04
2008
23
1
7
20
[
2002
]
[
1999
28
1-2
1-2
23-52
]
[
1992
3
223-43
]
[
2004
]
[
1977
]
[
2004
Tandil
]
[
2006
Guadalajara, Jalisco
]
[
1990
1
1
]
[
1995
]
[
2001
]
[
2001
3-48
]
[
1992
]
[
1988
94
94
563-91
]
[
2001
]
[
1999
28
1-2
1-2
53-80
]
[
1985
Florencia
269-80
]
[
1994
]
[
1996
]
[
1992
47
21
21
303-15
]
[
1989
]
[
1987
42
1
1
]
[
1990
2
2
265-97
]