1990-8644
1990-8644
S1990-86442021000600259
Ecuador
00
12
2021
00
12
2021
17
83
259
264
[
2021
16
16
65-72
]
[
2002
28
10
10
721-3
]
[
2011
14
3
3
273-6
]
[
2001
27
11
11
692-5
]
[
2017
3
1
1
46-60
]
[
2019
12
3
3
196-208
]
[
2008
41
1
1
6-31
]
[
2021
31
1
1
4-9
]
[
2007
33
2
2
106-9
]
[
2018
75
5
5
]
[
2005
2
2
2
22-7
]
[
2002
28
9
9
638-42
]
[
2019
10
]
[
2011
17
32
32
24-32
]
[
2020
13
20
20
]