1990-8644
1990-8644
S1990-86442020000100116
Ecuador
00
02
2020
00
02
2020
16
72
116
122
[
2007
]
[
2003
]
[
2017
70
125-45
]
[
2018
9
5
5
251-60
]
[
2015
]
[
2019
11
3
3
341-154
]
[
2002
]
[
2004
]
[
1997
2
]
[
1998
11-64
]
[
1998
]
[
2003
]
[
1994
]
[
1989
4
4
31-56
]
[
1992
]
[
2004
]
[
2004
]
[
1997
]
[
2003
]
[
2017
2
1
1
109-18
]
[
2015
25
39-61
]