1990-8644
1990-8644
S1990-86442020000400334
Ecuador
00
08
2020
00
08
2020
16
75
334
340
[
2019
48
190
190
45-70
]
[
2017
19
1
1
119-46
]
[
2016
10
2
2
95-114
]
[
2018
5
500-11
]
[
2018
25
25
60-6
]
[
2018
31
2
2
74-88
]
[
2019
38
1
1
]
[
2017
31
72
72
113-37
]
[
2015
10
29
29
275-80
]
[
2018
26
88-101
]
[
2017
5
1
1
]
[
2019
18
3
3
376-80
]
[
2016
24
36
36
451-61
]
[
2018
35
620-9
]
[
2019
40
31
31
1-10
]
[
2019
6
3
3
]