0301-7036
0301-7036
S0301-70362019000300113
10.22201/iiec.20078951e.2019.198.64822
Mexico
00
09
2019
00
09
2019
50
198
113
144
[
2007
30
11
11
]
[
2013
60
1
1
]
[
2006
28
4
4
]
[
1992
29
3
3
]
[
1997
11
2
2
]
[
1999
]
[
2005
]
[
1974
3
4
4
]
[
1986
31
]
[
2017
12425
]
[
2009
28
6
6
]
[
2010
91
2
2
]
[
1993
11
2
2
]
[
2009
27
3
3
]
[
2009
28
6
6
]
[
1992
]
[
1986
54
5
5
]
[
1994
]
[
1993
1
1
1
]
[
2000
9
2
2
]
[
1979
]
[
1982
50
4
4
]
[
1993
48
5
5
]
[
2004
72
2
2
]
[
2007
26
2
2
]
[
1970
33
33
]
[
1977
85
3
3
]
[
2003
]
[
1993
48
5
5
]
[
2008
85
1-2
1-2
]
[
1998
17
4
4
]
[
2011
29
4a
29
]
[
2017
12
2
2
]
[
2004
90
3
3
]
[
2005
129
1-2
1-2
]
[
1995
27
3
3
]
[
2010
21
2
2
]
[
2004
21
3
3
]
[
2015
24
]
[
1992
]
[
2008
30
3
3
]
[
1973
63
3
3
]
[
1971
]
[
1987
15
2
2
]
[
2006
28
4
4
]
[
2012
62
6
6
]
[
2006
28
4
4
]
[
2001
64
1
1
]
[
1993
25
4
4
]
[
2003
]
[
1998
39
4
4
]
[
1978
]
[
2009
1
1
1
]
[
2002
7
2
2
]