2215-2458
2215-2458
S2215-24582019000200227
10.15517/isucr.v20i42.41904
Costa Rica
Costa Rica
00
12
2019
00
12
2019
20
42
227
237
[
1986
39
2
2
6-16
]
[
1981
79
]
[
2017
]
[
2005
]
[
2012
86
]
[
2008
639
]
[
1984
304
]
[
2015
9
]
[
2010
]
[
1981
34
31-6
]
[
1963
544
]
[
1984
680
]
[
2010
]
[
Primuslabs
2016
]
[
1993
14
27
27
50-64
]
[
1986
144
]
[
1938
28
1-23
]
[
2014
15
31
31
128-44
]
[
2016
65
]