1815-5936
1815-5936
S1815-59362019000100003
Ecuador
00
04
2019
00
04
2019
40
1
3
13
[
2012
29
2
2
]
[
2005
11
]
[
2009
1
67
]
[
2015
2
2
]
[
2015
4
5
5
]
[
2009
1
1
29-37
]
[
2004
35
4
4
]
[
2010
12
36
36
]
[
2008
11
2
2
]
[
2010
16
3
3
]
[
Olivares
2013
15
48
48
]
[
2010
15
582
]
[
2013
6
6
6
]
[
2015
23
2
2
]
[
2010
26
1
1
]
[
2011
]
[
2010
]
[
2008
]