1405-9436
1405-9436
S1405-94362006000200204
Mexico
Mexico
Mexico
00
00
2006
00
00
2006
3
24
204
228
[
ANUIES
2004
]
[
1996
373-6
]
[
1992
92
9
9
1078-82
]
[
1995
70
6
6
552-9
]
[
1990
4
4
]
[
2000
132
889-96
]
[
1996
30
4
4
246-52
]
[
1990
1
3199
3199
162-7
]
[
1991
91
1
1
25-7
]
[
1993
]
[
2002
77
7
7
719-24
]
[
1993
277-85
]
[
2003
43
1
1
93-100
]
[
2002
]
[
2002
66
8
8
952-61
]
[
1990
30
3
3
373-8
]
[
UAM
]
[
1994
28
107-15
]
[
2003
78
5
5
500-8
]