1657-8961
1657-8961
S1657-89612020000100007
10.11144/javerianacali.ppsi18-1.vpcl
Peru
Peru
Peru
00
06
2020
00
06
2020
18
1
7
19
[
2012
7-15
]
[
1995
104
20
20
771-6
]
[
2013
141
2
2
209-16
]
[
2008
22
3
3
187-200
]
[
2015
32
2
2
254-67
]
[
2017
15
1
1
19-31
]
[
2010
97
2
2
143-56
]
[
2005
21
1-2
1-2
145-58
]
[
2010
]
[
2015
21
1
1
9-20
]
[
2015
21
2
2
195-206
]
[
2010
2
1
1
61-74
]
[
2016
15
1
1
15-24
]
[
2014
37
7-8
7-8
488-94
]
[
2015
143
7
7
930-7
]
[
2016
10
1
1
91-100
]
[
1996
]
[
2015
40
1
1
114-23
]
[
2012
13
3
3
519-45
]
[
2001
7
1
1
69-78
]
[
2014
10
2
2
291-300
]
[
2007
8
1
1
37-45
]
[
2012
17
6
6
537-56
]
[
2013
5
2
2
225-47
]
[
1983
9
21
21
185-219
]
[
2016
18
71-88
]
[
2018
16
2
2
31-45
]
[
2014
13
4
4
1255-66
]
[
2016
33
2
2
121-34
]
[
2003
]
[
2002
33
5
5
464-81
]
[
2009
10
4
4
459-81
]
[
2013
61
268
268
43-54
]
[
2016
16
3
3
163-77
]
[
2005
19
2
2
135-50
]
[
2016
11
1
1
45-60
]
[
1998
51
11
11
903-12
]
[
2015
65
1
1
19-28
]