1727-897X
1727-897X
S1727-897X2020000601138
Perú
Perú
00
12
2020
00
12
2020
18
6
1138
1144
[
2019
118
10
10
1438-49
]
[
2018
30
20
20
30-40
]
[
2019
13
4
4
242-8
]
[
2019
487
487
14
]
[
2017
18
4
4
18
]
[
2019
33
2
2
130-4
]
[
2018
12
2
2
18
]
[
2019
45
2
2
12
]
[
2015
31
137
137
432-40
]
[
2015
31
134
134
8-19
]
[
2007
39
8
8
425-31
]
[
2015
60
2
2
447-67
]
[
2017
37
1
1
12
]
[
2018
20
63
63
22
]
[
2016
32
2
2
13
]
[
2012
30
1
1
23
]
[
2015
17
52
52
10
]
[
2010
16
2
2
13
]
[
2018
9
1
1
24
]
[
2014
32
2
2
11
]
[
2011
57
^s1
^s1
1
24
]