2218-3620
2218-3620
S2218-36202021000600555
Ecuador
00
12
2021
00
12
2021
13
6
555
559
[
2021
16
65-72
]
[
2020
268-74
]
[
2020
7
]
[
2018
142
2
2
]
[
2021
17
1-6
]
[
2019
8
4
4
43-52
]
[
2018
44
2
2
1-24
]
[
2018
]
[
2009
]
[
2020
]
[
2019
12
3
3
196-208
]
[
2021
46
]
[
2017
45
1
1
72-9
]
[
2016
23
2
2
97-102
]
[
2019
206
148-55
]
[
2021
900-10
]
[
2020
13
01-10
]