0186-7210
0186-7210
S0186-72102011000200403
10.24201/edu.v26i2.1388
Mexico
00
08
2011
00
08
2011
26
2
403
432
[
2003
93
2
2
215-21
]
[
2004
11
31
31
277-320
]
[
2007
2007
1-20
]
[
2007
7
4
4
401-33
]
[
2010
36
2
2
227-55
]
[
2009
27
1
1
171-209
]
[
2008
Barcelona
]
[
2008
]
[
1994
]
[
2000
]
[
2009
24
4
4
397-405
]
[
2010
36
2
2
333-54
]
[
1999
30
1
1
43-59
]
[
2003
]
[
2006
12
12
125-43
]
[
1988
]
[
2008
]
[
2007
39
6
6
535-59
]
[
2005
42
12
12
2305-20
]
[
2000
]
[
2009
31
1
1
1-35
]
[
2009
29
1
1
1-28
]
[
1998
35
10
10
1703-24
]
[
2004
41
4
4
833-51
]
[
1998
35
3
3
367-70
]
[
2008
]
[
1955
20
2
2
210-7
]
[
2008
]
[
2007
9
23
23
29-42
]
[
2009
]
[
2006
87
3
3
638-57
]
[
2006
]
[
2005
9
21
21
]
[
1994
59
1
1
23-45
]
[
2007
21
3
3
299-323
]
[
2006
7
13
13
43-62
]
[
2004
86
2
2
117-36
]
[
2000
]
[
2006
63
12
12
3013-29
]
[
1998
]
[
2006
43
8
8
1341-61
]
[
1998
]
[
2008
100
4
4
485-501
]
[
2006
7
1
1
1-15
]
[
2007
24
5
5
365-78
]
[
2002
51
2
2
366-90
]
[
2008
63
1
1
229-52
]
[
2007
17
34
34
57-73
]
[
199
]
[
2005
05-2
05-2
]
[
2007
44
1
1
187-97
]
[
2004
20
2
2
323-43
]
[
2010
]
[
2003
]
[
2004
]
[
1989
13
4
4
697-708
]
[
1990
96
2
2
329-57
]
[
1988
67
2
2
281-315
]
[
1988
]
[
2008
19
3
3
385-91
]
[
1998
]
[
2004
40
10
10
1375-93
]
[
2007
13
39
39
111-37
]
[
2005
96
4
4
433-43
]
[
2009
37
4
4
498-530
]
[
2009
]
[
1996
11
2
2
137-52
]
[
2006
]
[
2010
22
49
49
143-76
]
[
2002
19
19
33-56
]
[
2008
34
103
103
73-92
]
[
2002
32
1
1
33-67
]
[
2004
34
1
1
121-62
]
[
1985
3
9
9
481-514
]
[
2000
]
[
2008
34
103
103
5-26
]
[
2008
Barcelona
]
[
2009
17
11
11
1685-710
]
[
2001
]
[
1989
]
[
2002
]
[
2004
112
6
6
1296-321
]
[
2000
]
[
2006
28
1
1
71-94
]
[
2006
33
4
4
559-79
]
[
2008
19
4
4
637-45
]
[
2007
22
1
1
13-31
]
[
2008
23
3
3
536-55
]
[
2003
54
3
3
587-609
]
[
2008
23
2 (68)
2 (68)
375-413
]
[
2007
44
3
3
539-62
]
[
2009
91
1
1
5-17
]
[
1999
20
7
7
635-47
]
[
2008
]
[
2004
]