1990-8644
1990-8644
S1990-86442021000400405
Ecuador
Perú
00
08
2021
00
08
2021
17
81
405
409
[
2010
]
[
2015
11
21
21
75-8
]
[
2008
]
[
2017
74
1
1
11-6
]
[
2016
6
2
2
134-49
]
[
2010
18
582-8
]
[
2014
]
[
2013
]
[
2014
]
[
2002
8
2
2
27-35
]
[
2011
]
[
2004
21
2-3
2-3
64-71
]
[
2017
59
S63-72
]
[
2010
30
4
4
509-18
]
[
2014
18
4
4
623-35
]
[
2009
25
3
3
227-33
]
[
2009
2
7
7
320-5
]