1990-8644
1990-8644
S1990-86442019000400304
Ecuador
00
12
2019
00
12
2019
15
69
304
308
[
2008
39
2
2
152-8
]
[
2012
28
6
6
579-84
]
[
2016
]
[
2015
]
[
1987
]
[
2000
]
[
2014
37
2
2
159-76
]
[
2005
17
1
1
101-18
]
[
1988
102-21
]
[
2008
24
2
2
353-60
]
[
2004
4
3
3
597-621
]
[
2007
10
2
2
]
[
2011
57
1
1
72-88
]
[
2015
6
7
7
22-38
]
[
2005
19
3
3
263-70
]
[
2009
16
124-37
]
[
1993
20
2
2
205-32
]