1990-8644
1990-8644
S1990-86442020000100109
Ecuador
00
02
2020
00
02
2020
16
72
109
115
[
2010
15
2
2
393-401
]
[
2009
66
23
23
43-72
]
[
2006
6
59-72
]
[
2013
22
153-68
]
[
1992
]
[
2000
16
6
6
586-92
]
[
2006
]
[
2009
66
23
23
23-41
]
[
2010
2
2
2
25-32
]
[
2008
24
4
4
288-94
]
[
2005
60
5
5
410-21
]
[
2013
31
1
1
115-25
]
[
2011
139
8
8
1006-14
]
[
2005
7
2
2
57-78
]
[
2001
10
1
1
189-97
]