2224-7920
2224-7920
S2224-79202020000100073
Ecuador
Perú
00
04
2020
00
04
2020
32
1
73
83
[
2008
5
2
2
93-106
]
[
2013
36
4
4
381-6
]
[
2012
47
2
2
244-52
]
[
1989
]
[
2017
]
[
2015
60
]
[
2002
52
3
3
311-23
]
[
2013
4
02
02
349-55
]
[
2007
7
2
2
115-7
]
[
1984
24
2
2
197-205
]
[
1999
]
[
2016
7
2
2
339-51
]
[
2010
]
[
2001
1
1
1
56-63
]
[
2007
]
[
2012
34
10
10
885-92
]
[
2011
11
3
3
268-74
]
[
2012
63
2
2
567-76
]
[
2015
]
[
2004
4
165-9
]