1990-8644
1990-8644
S1990-86442019000400249
Ecuador
00
12
2019
00
12
2019
15
69
249
257
[
2010
8
5
5
12-20
]
[
2009
7
6
6
]
[
2012
10
1
1
39-46
]
[
2019
17
2
2
173-9
]
[
2016
16
1
1
65-83
]
[
2018
16
1
1
129-43
]
[
2002
18
2
2
161-4
]
[
2016
20
1
1
1349-59
]
[
2000
14
2
2
109-27
]
[
2006
32
4
4
]
[
2018
29
4
4
1133-49
]
[
2012
44
6
6
358-65
]
[
2013
11
2
2
239-44
]
[
2016
55
1
1
]
[
2016
30
3
3
]
[
2011
]
[
2014
6
3
3
235-45
]
[
2014
4
3
3
]
[
2016
75
3
3
205-6
]
[
2017
13
58
58
240-6
]
[
2017
21
1
1
277-80
]