0186-7210
0186-7210
S0186-72102008000100021
10.24201/edu.v23i1.1302
Mexico
Mexico
00
04
2008
00
04
2008
23
1
21
54
[
1997
]
[
2004
]
[
2002
]
[
CIT-OIT
1991
]
[
CIT-OIT
1999
]
[
CIT-OIT
2002
]
[
CIET-OIT
1993
]
[
2000
592-615
]
[
1986
]
[
2001
]
[
1988
]
[
2003
]
[
Grupo Delhi
2002
]
[
1973
]
[
1971
11
11
61-89
]
[
2004
]
[
2001
]
[
2005
]
[
INEGI-STPS
1990
]
[
2000
]
[
1954
22
139-91
]
[
1988
62
226
226
]
[
1987
]
[
2001
]
[
OIT
1972
]
[
OSNEM
2004
]
[
1998
7
13
13
55-72
]
[
1995
4
4
23-34
]
[
1970
36
1
1
34-67
]
[
1995
]
[
1988
7
13
13
9-54
]
[
1989
]
[
Prealc-OIT
1975
]
[
Prealc-OIT
1981
]
[
Prealc-OIT
1987
]
[
Prealc-OIT
1989
]
[
1981
]
[
2000
511-36
]
[
1991
]
[
2005
]
[
2000
8
8
25-37
]
[
2001
]
[
1986
]
[
STPS
1975
]
[
STPS
1984
]
[
STPS
1986
]
[
STPS
ECOS
1979
]
[
1987
54
215
215
56-68
]
[
1990
]
[
2001
]
[
2004
]
[
2000
72
72
15-8
]
[
1976
94
3
3
385-97
]