1990-8644
1990-8644
S1990-86442021000600311
Ecuador
00
12
2021
00
12
2021
17
83
311
317
[
2020
46
5
5
584-95
]
[
2020
14
10
10
14017-25
]
[
2020
57
3
3
]
[
2020
192
41
41
1189-97
]
[
2020
]
[
2020
9
1
1
1-3
]
[
2020
]
[
2018
8
1
1
1-9
]
[
2019
8
4
4
43-52
]
[
2007
225
1
1
72-9
]
[
2020
32
1
1
344-60
]
[
2020
12
2
2
]
[
2021
46
]
[
2020
]
[
2021
16
73-81
]
[
2020
15
11
11
]
[
2020
12
1
1
1-6
]
[
2020
]
[
2021
15
17-22
]
[
2020
24
4
4
1619-21
]
[
2020
14
3
3
310-5
]
[
2020
]
[
2021
13
27-36
]