1990-8644
1990-8644
S1990-86442020000400259
Ecuador
00
08
2020
00
08
2020
16
75
259
265
[
2018
4
589-94
]
[
2019
22
1
1
325-35
]
[
2020
12
82-94
]
[
2019
43
2
2
588-602
]
[
2020
23
1
1
9-28
]
[
2020
2
5
5
184-6
]
[
2019
]
[
2019
8
2
2
70-83
]
[
2020
11
2
2
138-53
]
[
2019
11
21
21
55-70
]
[
2019
10
19
19
91-104
]
[
2019
11
12
12
1287-95
]
[
2019
7
16837-46
]