1990-8644
1990-8644
S1990-86442021000400476
Ecuador
00
08
2021
00
08
2021
17
81
476
483
[
2020
46
3
3
213-23
]
[
2021
53
1
1
117
]
[
2015
15
1
1
9-18
]
[
2017
19
1
1
1-3
]
[
2013
36
]
[
2020
4
2
2
103-11
]
[
2013
4
10
10
3-21
]
[
2013
5
3
3
108-23
]
[
2001
29
29
245-75
]
[
2008
12
43
43
669-78
]
[
2011
50
1
1
61-86
]
[
1989
]
[
2015
37
149
149
60-73
]
[
2014
43
172
172
123-44
]
[
2020
24
3
3
1-8
]