1996-2452
1996-2452
S1996-24522021000300871
Ecuador
00
12
2021
00
12
2021
16
3
871
880
[
2018
8
4
4
47-53
]
[
2015
2
19-26
]
[
2008
12
116
116
]
[
2019
40
12
12
779-88
]
[
2021
16
1
1
125-37
]
[
2020
24
261
261
46-56
]
[
2019
24
254
254
63-75
]
[
2018
23
242
242
108-20
]
[
2019
199-201
]
[
2009
5
]
[
2020
24
261
261
57-68
]
[
2007
]
[
2020
15
3
3
343-64
]
[
2021
16
2
2
]