1688-9304
1688-9304
S1688-93042021000200023
10.18861/cied.2021.12.2.3040
Peru
00
12
2021
00
12
2021
12
2
23
40
[
2017
]
[
2018
33
1
1
]
[
2017
]
[
2018
]
[
2005
336
]
[
2013
29
3
3
]
[
2018
40
161
161
]
[
2017
22
138-57
]
[
2014
1
3
3
]
[
2013
]
[
1996
]
[
2015
]
[
2016
16
1
1
1-29
]
[
2014
10
5
5
]
[
2016
68
135-57
]
[
2013
2
5
5
]
[
2012
España
]
[
2014
42
42
]
[
1999
]
[
1985
]
[
2015
1
2
2
106-14
]
[
2005
8
3
3
]
[
2019
]
[
2018
4
2
2
23-31
]
[
2020
23
2
2
]
[
2013
Costa Rica
1-13
]
[
2013
7
31
31
48-66
]
[
2016
43
]
[
2019
16
1
1
29-41
]
[
2018
23
78
78
]
[
2018
3
12
12
]