1990-8644
1990-8644
S1990-86442020000100171
Ecuador
00
02
2020
00
02
2020
16
72
171
177
[
2016
]
[
2016
49
105-19
]
[
2016
1
33
33
18-31
]
[
2010
20
157-66
]
[
2011
22
1
1
11-23
]
[
2008
1
3
3
]
[
2009
20
2
2
343-54
]
[
2016
9
4
4
11-22
]
[
2017
20
2
2
113-35
]
[
2008
21
57-78
]
[
2006
17
1
1
101-18
]
[
2018
9
16
16
67-82
]
[
2017
51
51
37-51
]
[
2017
376
229-51
]
[
2018
39
45
45
17-30
]
[
2011
63
1
1
63-75
]
[
2016
]
[
2010
1
]