1659-4266
1659-4266
S1659-42662019000200089
10.22458/urj.v11i2.2121
Costa Rica
USA
USA
00
06
2019
00
06
2019
11
2
89
97
[
2005
221
35-54
]
[
2011
29
85-121
]
[
1971
10
1239-44
]
[
1994
20
53-77
]
[
1983
6
191-224
]
[
2000
]
[
2001
11
419-26
]
[
2000
]
[
2007
49
135-52
]
[
2012
109
35
35
13944-9
]
[
1987
75
2
2
182-91
]
[
1985
49
97-115
]
[
2008
50
895-924
]
[
1990
55
138-43
]
[
2007
34
804-13
]
[
1985
315
489-91
]
[
1993
5
247-84
]
[
2006
367-80
]
[
2016
656-82
]
[
2009
105-13
]
[
1990
]
[
2016
]
[
1998
53
2
2
320-36
]
[
2008
40
1
1
11-9
]
[
2014
]
[
2014
168-72
]
[
2004
32
375-81
]
[
2009
20
1
1
120-33
]
[
2004
31
503-17
]
[
1991
]
[
1996
253-69
]
[
1996
6
3
3
289-99
]
[
1981
20
553-67
]
[
1987
18
293-320
]
[
2001
127
2
2
171-179.
]
[
2006
]
[
2004
78
301
301
682-91
]
[
2004
46
1
1
19-33
]
[
2008
50
6
6
999-1017
]
[
2012
39
7
7
2312-9
]
[
2018
61
1
1
131-44
]
[
2000
]
[
1992
19-30
]
[
2013
31
59-80
]
[
2005
]
[
2002
12
87-106
]
[
2006
]
[
2002
29
33-50
]
[
2013
73
196-200
]
[
2015
54
4
4
395-411
]
[
2006
82-95
]
[
2004
433-44
]