1990-8644
1990-8644
S1990-86442021000300321
Ecuador
00
06
2021
00
06
2021
17
80
321
329
[
2019
20
2
2
]
[
2018
14
63
63
117-22
]
[
2020
5
]
[
2018
8
16
16
516-34
]
[
2020
15
1
1
47-60
]
[
2020
24
44-6
]
[
2015
29
65
65
115-35
]
[
2019
135
100-12
]
[
2021
47
2
2
]
[
2020
]
[
2020
2
1
1
]
[
2021
35
116-31
]
[
2013
24
2
2
255-9
]
[
2018
9-86
]
[
2017
8
15
15
135-54
]
[
2021
]
[
2012
67
386-92
]
[
2021
358
3
3
1957-83
]
[
2020
]