0186-7210
0186-7210
S0186-72102005000300495
10.24201/edu.v20i3.1208
Mexico
Mexico
00
12
2005
00
12
2005
20
3
495
532
[
1981
63
4
4
533-40
]
[
1993
]
[
1988
]
[
1975
]
[
INEGI
]
[
INEGI
]
[
INEGI
]
[
INEGI
]
[
1970
]
[
1983
]
[
1996
125
2
2
96-104
]
[
1995
71
1
1
96-105
]
[
1980
768
768
31-7
]
[
1979
]
[
1980
732
732
24-2
]