1990-8644
1990-8644
S1990-86442021000400379
Ecuador
00
08
2021
00
08
2021
17
81
379
386
[
2021
5
1
1
242-60
]
[
2020
31
2
2
60-70
]
[
2019
15
66
66
91-7
]
[
2021
21
1
1
237-43
]
[
2021
6
3
3
670-9
]
[
2020
18
34
34
161-78
]
[
2020
19
58
58
141-61
]
[
2021
165
2
2
1-16
]
[
2021
84
1
1
1-2
]
[
2019
24
11
11
4111-23
]
[
2021
10
1
1
35-54
]
[
2021
35
2
2
1-16
]
[
2021
16
16
98-109
]
[
2020
9
3
3
1-17
]
[
2021
3
1
1
185-212
]
[
2018
37
2
2
119-33
]
[
2018
37
2
2
17-23
]
[
2014
35
1
1
22-30
]
[
2021
35
1
1
1-15
]
[
2020
9
4
4
91-8
]