1659-4266
1659-4266
S1659-42662018000200397
10.22458/urj.v10i2.2168
Costa Rica
Costa Rica
00
12
2018
00
12
2018
10
2
397
403
[
1970
3
219-62
]
[
1976
45
623-46
]
[
1998
37
201-12
]
[
2007
]
[
1988
I
]
[
2001
42
300-7
]
[
2003
44,
669-73
]
[
(200
4
35
359-63
]
[
2009
18
622-9
]
[
2007
72
364-71
]
[
1994
]
[
1984
]
[
(200
9
3
50-60
]
[
1982
9
467-80
]
[
2002
31
323-8
]
[
2007
17
189-98
]
[
1986
78
587-91
]
[
1992
127
31-40
]
[
2007
53
311-6
]
[
2008
32
3
3
161-7
]
[
2010
34
65-75
]
[
2014
6
1
1
81-6
]
[
1987
23
29-46
]
[
2003
]
[
2004
28
259-65
]
[
1985
12
437-45
]
[
1954
35
509-15
]
[
1992
]
[
1997
68
165-72
]
[
2009
20
127-33
]
[
2002
99
284-9
]