1990-8644
1990-8644
S1990-86442020000100242
Ecuador
00
02
2020
00
02
2020
16
72
242
247
[
2017
14
48
48
121-58
]
[
2016
53
2
2
]
[
2014
24
119-31
]
[
2017
]
[
2018
18
16
16
]
[
2016
42
3
3
111-28
]
[
2017
]
[
2015
7
3
3
]
[
2017
35
2
2
109-26
]
[
2015
]
[
2015
11
1
1
73-94
]
[
2016
9
10
10
]
[
2017
7
1
1
]
[
2016
17
5
5
]
[
2015
6
1
1
]
[
2015
54
1
1
]
[
2017
]
[
2015
15
2
2
25-38
]