2448-9190
2448-9190
S2448-91902019000200217
10.29262/ram.v66i2.565
Mexico
Canada
00
06
2019
00
06
2019
66
2
217
231
[
2017
9
5
5
394-402
]
[
2010
57
5
5
135-45
]
[
1994
116
116
1-110
]
[
2015
193
3
3
401-8
]
[
2011
25
5
5
596-601
]
[
2012
61
1
1
123-32
]
[
2014
6
5
5
401-8
]
[
2016
54
6
6
413-8
]
[
2004
59
59
449-34
]
[
2006
44
4
4
270-3
]
[
2013
73
12
12
1281-95
]
[
2010
188
^s1
^s1
1
S87-90
]
[
2011
24
3
3
267-71
]
[
2014
146
6
6
1633-48
]
[
2014
4
1
1
3-13
]
[
2014
44
5
5
1132-48
]
[
2013
1
5
5
414-22
]
[
2015
35
35
100-4
]
[
1987
2
8568
8568
1116-8
]
[
2005
127
2
2
550-7
]
[
2016
71
4
4
323-9
]
[
1994
150
2
2
374-80
]
[
2009
4
7
7
]
[
2017
12
2
2
]
[
2014
69
1
1
46-54
]
[
2016
11
5
5
]
[
2014
133
6
6
1521-34
]
[
2016
151
151
157-66
]
[
1989
67
3
3
1265-70
]
[
2011
186
12
12
6886-93
]
[
2015
5
5
24
]
[
1999
13
1
1
59-65
]
[
2000
30
2
2
225-32
]
[
2004
113
6
6
1063-70
]
[
2004
169
1
1
15-9
]
[
2004
170
12
12
1276-80
]
[
2015
192
1
1
30-9
]
[
2014
29
29
159-64
]
[
2011
31
8
8
2948-258
]
[
2013
132
4
4
847-55
]
[
2007
175
4
4
312-5
]
[
2017
7
1
1
]
[
2014
5
5
5
200-5
]
[
2001
108
4
4
557-62
]
[
2015
]
[
2008
28
4
4
771-81
]
[
2012
380
9853
9853
1583-9
]
[
2016
149
3
3
639-48
]
[
2015
385
9974
9974
1198-205
]
[
2017
72
2
2
129-36
]
[
2018
128
8
8
1898-903
]
[
2007
29
6
6
1256-76
]
[
2014
134
1
1
56-62
]
[
2009
180
11
11
1042-7
]
[
2012
64
4
4
834-68
]
[
2016
138
1
1
249-61
]
[
2012
8
1
1
11
]
[
2015
7
1
1
3-13
]
[
2016
149
6
6
1460-6
]
[
2017
18
1
1
44
]
[
2017
139
3
3
771-9
]
[
2004
113
1
1
59-65
]
[
1999
14
4
4
902-7
]
[
2013
64
5
5
363-8
]
[
2010
120
8
8
1576-81
]
[
2001
22
4
4
251-6
]
[
2008
118
2
2
367-70
]
[
2010
6
6
5
]
[
2002
3
2
2
137-42
]
[
2006
116
12
12
2108-12
]