1665-7063
1665-7063
S1665-70632019000400374
10.22201/eneo.23958421e.2019.4.623
Peru
Peru
00
12
2019
00
12
2019
16
4
374
389
[
2016
15
4
4
630-41
]
[
2018
19
^s2
^s2
2
73-8
]
[
2018
26
0
0
]
[
2010
24
4
4
504-15
]
[
2015
12
3
3
110-5
]
[
2009
3
3
76-85
]
[
2008
]
[
2016
13
4
4
208-15
]
[
2018
18
2
2
149-59
]
[
2008
]
[
2009
14
2
2
379-83
]
[
2014
34
4
4
648-54
]
[
2014
11
3
3
]
[
2002
36
4
4
332-7
]
[
2015
12
1
1
28-35
]
[
2014
18
38
38
25-33
]
[
2013
]
[
2013
12
4
4
346-61
]
[
2003
56
3
3
271-6
]
[
2018
29
5
5
264-70
]
[
2009
17
4
4
573-9.
]
[
2007
2
]
[
2010
30
1
1
146-61
]
[
2005
39
1
1
103-8
]
[
2002
]
[
2017
14
4
4
259-65
]
[
2018
12
3
3
216-22
]
[
2019
34
204-9
]
[
2019
35
69-74
]
[
2019
73
48-53
]
[
2018
35
1
1
37-43
]
[
2017
26
4
4
231-41
]