1817-5996
1817-5996
S1817-59962021000300008
Ecuador
00
12
2021
00
12
2021
23
3
[
2016
8
2
2
]
[
2018
9
3
3
]
[
2015
7
1
1
]
[
2018
22
4
4
549-58
]
[
2019
17
1
1
70-7
]
[
2020
34
2
2
]
[
2016
14
1
1
77-80
]
[
2019
21
2
2
]
[
2019
]
[
2012
29
2
2
93-100
]
[
2018
25
1
1
26-36
]
[
2019
]
[
2021
]
[
2016
20
2
2
]