2218-3620
2218-3620
S2218-36202020000500136
Ecuador
00
10
2020
00
10
2020
12
5
136
142
[
2017
5
5
35-48
]
[
2015
1
19-27
]
[
2018
66
]
[
2015
]
[
2019
25
3
3
230-41
]
[
2020
25
25
520-38
]
[
2018
6
27
27
]
[
2010
16
220-36
]
[
2018
]
[
2015
26
33-49
]
[
2015
61
]
[
2017
]
[
2016
]
[
2019
15
66
66
104-10
]
[
2018
67
]
[
2016
4
6
6
1288-97
]
[
2017
]
[
2017
]