1409-4258
1409-4258
S1409-42582019000300107
10.15359/ree.23-3.6
Peru
00
12
2019
00
12
2019
23
3
107
129
[
2006
]
[
2016
3
11
11
45-51
]
[
2017
16
1
1
1-13
]
[
2015
8
6
6
11-28
]
[
2009
4
5
5
289-300
]
[
2007
10
10
49-97
]
[
2016
38
1
1
101-16
]
[
2014
4
4
4
771-7
]
[
2003
57
4
4
335-51
]
[
2010
3
]
[
2006
34
9
9
1151-60
]
[
2006
31
3
3
355-65
]
[
2014
3
1
1
2-12
]
[
2015
8
3
3
67-78
]
[
2015
5
2
2
57-74
]
[
2009
3
10
10
609-15
]
[
2015
8
7
7
43-59
]
[
2006
11
11
175-201
]
[
2003
]
[
2014
]
[
2013
5
3
3
1-12
]
[
2014
6
]
[
2007
36
2
2
23-34
]
[
2010
1
3
3
24-30
]
[
2012
7
1
1
126-36
]
[
2011
5
3
3
64-79
]
[
2008
57
6
6
703-21
]
[
2014
27
3
3
363-84
]
[
2011
23
2
2
147-51
]
[
2011
5
4
4
1236-44
]
[
2009
20
6
6
897-903
]
[
2006
52
4
4
711-47
]
[
2005
30
112
112
69-79
]
[
2009
14
1
1
75-82
]
[
2009
30
2
2
323-47
]
[
2010
]
[
2011
34
4
4
657-84
]
[
1978
2
]
[
2006
16
1
1
21-5
]
[
2003
30
12
12
1210-32
]
[
2003
18
4
4
357-67
]
[
2013
35
141
141
8-25
]
[
2012
]
[
2012
5
5
5
1-19
]
[
2012
4
3
3
65-73
]
[
2015
18
1
1
45-69
]
[
2015
6
2
2
30-41
]
[
2013
).
15
]
[
2010
25
1
1
63-80
]
[
1996
]
[
2009
27
2
2
198-210
]
[
2011
40
1
1
3-14
]
[
2014
67
5
5
603-20
]
[
2013
5
3
3
42-53
]
[
2012
2
1
1
39-53
]
[
1997
]
[
2006
5
2
2
35-44
]
[
2005
50
1
1
33-56
]
[
2013
7
1
1
71-80
]
[
2014
17
2
2
56-66
]
[
2011
19
2
2
156-69
]
[
2005
19
3
3
259-67
]
[
2015
8
5
5
107-16
]
[
2010
1
3
3
222-32
]
[
2016
14
39
39
439-61
]
[
2012
2
2
2
33-49
]
[
2012
2
10
10
1764-76
]