2448-9190
2448-9190
S2448-91902020000400350
10.29262/ram.v67i4.847
Ecuador
México
00
12
2020
00
12
2020
67
4
350
369
[
c2021
c2021
]
[
2020
15
^s2
^s2
2
1-28
]
[
2020
323
11
11
1061
]
[
2020
370
m3026
m3026
]
[
2005
60
5
5
401-9
]
[
2017
27
3
3
342-9
]
[
2005
128
4
4
2247-61
]
[
2005
128
3
3
1393-400
]
[
2020
8
1
1
1-8
]
[
2005
127
6
6
2119-24
]
[
2010
15
3
3
543-50
]
[
2020
21
1
1
163
]
[
2020
56
2
2
2001754
]
[
2020
55
6
6
2001217
]
[
2020
25
100463
]
[
2021
57
^s1
^s1
1
75-6
]
[
2020
69
30
30
993-8
]
[
2020
]
[
2020
81
6
6
e4-6
]
[
2021
93
2
2
1013-22
]
[
2005
18
1
1
1-10
]
[
2013
33
7
7
1951-75
]
[
2020
15
11
11
]
[
2020
46
6
6
1124-6
]
[
2020
7
1
1
]
[
2020
2020
1023506
]
[
2020
296
2
2
E113-4
]
[
2020
1-9
]
[
2020
26
4
4
301-7
]
[
2020
395
10234
10234
1417-8
]
[
2020
13
2
2
71-7
]
[
2020
2
4
4
278-83
]
[
2020
75
11
11
1009-16
]
[
2005
26
5
5
948-68
]
[
2020
73
4
4
]
[
2019
200
8
8
e70-88
]
[
2019
78
S2
S2
135-41
]
[
2017
49
1
1
1600016
]
[
2014
44
6
6
1428-46
]
[
2015
74
2
2
10
]
[
2019
78
S2
S2
187-97
]
[
2020
101
5
5
263-8
]
[
2020
101
7-8
7-8
431-7
]
[
2020
215
2
2
338-43
]
[
2020
126
108941
]
[
2020
296
2
2
E79-85
]
[
2020
12
8
8
142-55
]
[
2020
296
2
2
E97-E104
]
[
2020
295
3
3
715-21
]
[
2020
56
2
2
2001808
]
[
2020
21
11
11
1273
]
[
2020
]
[
2020
89
594-600
]
[
2014
171
4
4
453-62
]
[
2020
56
6
6
2002197
]
[
2020
29
157
157
200287
]
[
2020
20
1
1
862
]