1990-8644
1990-8644
S1990-86442021000600397
Ecuador
00
12
2021
00
12
2021
17
83
397
405
[
2020
5
8
8
187-207
]
[
2021
21
2
2
309-15
]
[
2020
31
2
2
204-10
]
[
2015
50
2
2
74-81
]
[
2019
36
4
4
267-73
]
[
2018
5
2
2
92-7
]
[
2018
71
2440-6
]
[
2011
25
S2
S2
51-8
]
[
2017
17
3
3
35-42
]
[
2019
8
4
4
43-52
]
[
2019
27
]
[
2021
16
73-81
]
[
2020
]
[
2021
15
17-22
]
[
2016
13
2
2
119-25
]
[
2020
2
1
1
149-58
]
[
2017
14
25
25
]
[
2020
7
]