1990-8644
1990-8644
S1990-86442021000400269
Ecuador
Ecuador
00
08
2021
00
08
2021
17
81
269
276
[
2011
5
10
10
1-23
]
[
2016
8
2
2
54-69
]
[
2016
]
[
2000
]
[
2013
43
167-81
]
[
2010
19
1-27
]
[
2011
62
62
46-54
]
[
1974
29
3
3
179-88
]
[
2021
24
1
1
331-50
]
[
2019
11
11
83-100
]
[
2018
15
30
30
22-36
]
[
2000
16
2
2
173-200
]
[
2017
2
1
1
13-9
]
[
2016
19
2
2
217-35
]
[
2017
7
14
14
86-109
]
[
2011
17
17
83-103
]
[
2018
]
[
2018
56
56
]
[
2008
50
4
4
1183-202
]