1990-8644
1990-8644
S1990-86442020000400403
Ecuador
00
08
2020
00
08
2020
16
75
403
409
[
2012
3
1
1
13-23
]
[
2009
2
2
2
87-97
]
[
2010
31
156-69
]
[
2010
24
2
2
37-60
]
[
2008
11
2
2
191-210
]
[
2013
6
2
2
193-208
]
[
2004
4
9
9
107-19
]
[
2007
11
2
2
75-86
]
[
2011
50
2
2
26-54
]
[
2010
14
7-20
]
[
2017
Guayaquil, Ecuador
]
[
2018
39
45
45
17-30
]
[
2012
32
]