1659-0775
1659-0775
S1659-07752019000200037
Ecuador
Brazil
Ecuador
Ecuador
00
12
2019
00
12
2019
31
37
44
[
2013
4
2
2
113-6
]
[
2016
)
1-10
]
[
2007
]
[
2011
]
[
2014
]
[
2011
10
]
[
2010
14
1
1
21-31
]
[
2012
38
2
2
]
[
2015
]
[
2010
]
[
2013
39
]
[
2011
]
[
]
[
2016
]
[
124-7
]
[
2009
]
[
2005
]
[
2009
]
[
2016
]
[
2014
17
579-82
]
[
2009
]
[
2010
14
21-31
]
[
2012
]
[
2009
13
136-40
]
[
2012
]
[
2012
38
6
6
]
[
]
[
1996
]
[
2015
]