1817-5996
1817-5996
S1817-59962019000200014
Ecuador
00
08
2019
00
08
2019
21
2
[
2015
3e
]
[
2010
]
[
2012
38
3
3
422-37
]
[
2000
14
2
2
109-27
]
[
VI
1962
]
[
2012
1
36
36
55-77
]
[
2015
]
[
2014
2
63
63
65-78
]
[
]
[
2011
]
[
2014
20
^s2
^s2
2
]
[
2000
1
1
1
32-7
]
[
2015
54
3
3
264-77
]
[
2002
]
[
2011
]
[
2010
8
5
5
]