0034-7744
0034-7744
S0034-77442020000100336
10.15517/rbt.v68i1.38555
Costa Rica
Costa Rica
00
03
2020
00
03
2020
68
1
336
343
[
2006
1
2
2
102-13
]
[
2013
157
372-85
]
[
1986
37
2
2
135-56
]
[
2008
42
2
2
246-50
]
[
1996
30
2
2
192-7
]
[
1998
4
]
[
2018
124
2
2
105-12
]
[
1998
21
1
1
25-34
]
[
1958
114
]
[
1994
1-21
]
[
2000
50
8
8
653-66
]
[
2000
]
[
1998
]
[
1978
]
[
1977
1977
349-55
]
[
2018
82
1
1
173-81
]
[
2002
66
2
2
330-8
]
[
2001
]
[
2012
286
3
3
194-9
]
[
2002
23
2
2
59-68
]
[
2018
225
66-79
]
[
2013
166
191-202
]
[
2006
31
1
1
30-7
]
[
1994
]
[
2003
17
1
1
207-18
]
[
2002
133
3
3
315-24
]
[
1975
]
[
2001
8
2
2
101-10
]
[
2010
6
6
6
777-80
]
[
1997
49
3
3
111-22
]
[
2013
51
42-8
]
[
2005
2
]
[
2002
]
[
1992
343-68
]
[
1987
]
[
2012
7
8
8
]
[
2002
16
5
5
1422-6
]
[
1996
69
2
2
252-69
]
[
2004
]
[
1980
2
119-33
]
[
2000
116
1
1
19-40
]
[
2015
348
6234
6234
571-3
]
[
1998
1
3
3
185-93
]
[
2007
2007
3
3
507-19
]
[
2010
5
2
2
143-50
]