2395-9169
2395-9169
S2395-91692020000200101
10.24836/es.v30i56.961
México
Brazil
Venezuela
00
12
2020
00
12
2020
30
56
[
2009
61
3
3
102-13
]
[
2003
]
[
2017
13
26
26
22-48
]
[
2017
]
[
1998
]
[
2010
10
32-61
]
[
2015
10
2
2
55-62
]
[
2019
43
7-8
7-8
936-53
]
[
2020
36
1
1
21-3
]
[
2011
]
[
2000
]
[
2016
]
[
2019
43
7-8
7-8
744-63
]
[
1981
]
[
2017
2
3
3
]
[
2019
43
7-8
7-8
722-3
]
[
2012
]
[
1992
]
[
2010
15
15
97-107
]
[
2018
]
[
2011
]
[
2011
]
[
2004
]
[
2006
]
[
2013
8
2
2
27-34
]
[
2005
16
]
[
1995
]
[
2013
8
15
15
9-42
]
[
1994
]
[
2006
23
23
]
[
2008
18
35
35
85-98
]
[
2010
]
[
2006
]
[
2018
42
6
6
637-65
]
[
1982
]
[
2005
21
2
2
23
]
[
2017
44
2
2
354-76
]
[
2012
26
3
3
67-84
]
[
2004
19
2
2
13-60
]
[
2014
472-80
]
[
2004
1
52
52
]
[
2016
25
47
47
273-99
]
[
2019
43
7-8
7-8
895-914
]
[
2017
]
[
2005
20
4
4
16-9
]
[
2009
29
4
4
503-15
]
[
2001
10
]
[
2011
37
37
33-48
]
[
2015
15
2
2
343-62
]