2007-8064
2007-8064
S2007-80642019000300037
10.22201/enesl.20078064e.2019.21.70046
Mexico
00
00
2019
00
00
2019
7
21
37
52
[
1988
16
1
1
74-94
]
[
2014
42
6
6
642-57
]
[
2013
29
3
3
107-15
]
[
2014
42
1
1
24-6
]
[
2000
28
1
1
128-37
]
[
2010
83
3
3
601-26
]
[
1970
1
3
3
185-216
]
[
2009
62
3
3
345-55
]
[
2009
16
4
4
264-84
]
[
2018
30
2
2
939-60
]
[
2007
10
3
3
201-12
]
[
2001
51
1
1
11-24
]
[
1967
]
[
2013
]
[
1977
18
1
1
108-26
]
[
2018
96
6
6
82-90
]
[
2017
26
3
3
251-61
]
[
1981
18
1
1
39-50
]
[
2011
14
4
4
231-46
]
[
2015
54
6
6
933-53
]
[
2008
19
3
3
400-34
]
[
2005
12
2
2
125-39
]
[
2017
2
]
[
2012
40
3
3
414-33
]
[
2003
35-56
]
[
2001
35
3-4
3-4
441-56
]
[
2009
20
277-319
]
[
2015
43
1
1
115-35
]
[
2000
41
3
3
14-21
]
[
2016
35
4
4
562-9
]
[
2007
14
2
2
143-56
]
[
2000
26
2
2
215-32
]
[
1999
20
2
2
195-204
]
[
2014
17
1
1
54-67
]
[
2017
11
3
3
673-82
]
[
2003
35
3
3
22-6
]
[
2007
49
2
2
109-17
]
[
2010
44
7-8
7-8
938-71
]
[
2015
39
4
4
492-516
]
[
2013
33
435-45
]
[
1970
54
1
1
31-41
]
[
2001
121-30
]
[
1997
3
]
[
2014
17
3
3
310-25
]
[
2010
28
2
2
194-204
]
[
2006
27
8
8
1031-56
]
[
2009
73
5
5
122-42
]
[
2016
57
]
[
2019
31
10
10
4021-42
]
[
2015
18
1
1
358-79
]
[
2014
5
2
2
13-24
]
[
2011
30
3
3
515-21
]
[
2016
50
9-10
9-10
1575-601
]
[
2008
29
6
6
1053-63
]
[
2004
30
5
5
591-622
]
[
2016
25
2
2
181-99
]
[
1989
32
3
3
622-48
]
[
2003
88
5
5
879-903
]
[
2014
21
5
5
745-52
]
[
2009
20
2
2
209-26
]
[
2011
45
9-10
9-10
1521-37
]
[
2015
]
[
1994
37
1
1
137-52
]
[
1965
]
[
1979
]
[
1995
60
1
1
141-56
]
[
2019
7
19
19
37-50
]
[
1975
35
4
4
897-904
]
[
2013
77
6
6
108-23
]
[
2002
51
1
1
23-42
]
[
2002
21
2
2
151-70
]
[
2013
32
2
2
38-55
]
[
2007
14
2
2
121-41
]
[
2009
82
1
1
183-200
]
[
2015
44
58-69
]
[
2005
5
4
4
447-61
]
[
2006
45
2
2
267-75
]
[
2017
58
1
1
69-80
]