2215-3411
2215-3411
S2215-34112018000200017
10.15517/ijds.v0i0.30388
Costa Rica
00
08
2018
00
08
2018
20
2
17
29
[
2002
68
4
4
233-7
]
[
1991
16
4
4
149-56
]
[
1996
8
4
4
170-6
]
[
2001
85
1
1
61-6
]
[
2005
17
9
9
593-8
]
[
2004
1
2
2
101-17
]
[
1998
21
133-47
]
[
2005
17
4
4
249-56
]
[
1992
5
1
1
9-16
]
[
1990
]
[
2000
23
7-25
]
[
2008
39
5
5
407-12
]
[
2000
25
6
6
459-65
]
[
2003
15
6
6
338-52
]
[
2000
27
1
1
29-44
]
[
2003
23
6
6
543-55
]
[
2007
1
1
1
37-46
]
[
2016
10
2
2
105-19
]
[
2003
90
4
4
373-84
]
[
1955
34
6
6
849-53
]
[
2003
28
3
3
215-35
]
[
2003
28
4
4
429-39
]
[
2008
33
6
6
622-8
]
[
2008
33
4
4
386-91
]
[
2007
32
6
6
571-8
]