1990-8644
1990-8644
S1990-86442021000600167
Ecuador
00
12
2021
00
12
2021
17
83
167
173
[
2021
]
[
2013
29
127
127
213-21
]
[
2012
18
1
1
69-85
]
[
2015
60
2
2
468-85
]
[
2021
44
357-66
]
[
2009
15
3
3
101-17
]
[
2012
28
3
3
1011-20
]
[
2015
8
1
1
]
[
2020
32
1
1
344-60
]
[
2018
21
1
1
]
[
2021
]
[
2015
18
2
2
148-61
]
[
2016
9
2
2
87-102
]
[
2017
8
20
20
235-62
]