1990-8644
1990-8644
S1990-86442021000600287
Ecuador
00
12
2021
00
12
2021
17
83
287
292
[
2020
1
]
[
2021
157
6
6
288-93
]
[
2020
323
14
14
1406-7
]
[
2020
20
2
2
180-5
]
[
2006
13
3
3
]
[
2021
58
3
3
944-9
]
[
2019
8
4
4
43-52
]
[
2020
88
11-6
]
[
2019
8
4
4
01-8
]
[
2021
46
]
[
2021
15
]
[
2018
25
2
2
154-61
]
[
2003
115
3
3
245-8
]
[
2021
63
4
4
370-83
]
[
2020
22
2
2
1-5
]
[
2020
72
]
[
2020
323
13
13
1239-42
]
[
2021
51
4
4
1107-10
]