0034-7744
0034-7744
S0034-77442020000500320
10.15517/rbt.v68is1.41202
Costa Rica
USA
USA
México.
Ecuador
00
03
2020
00
03
2020
68
320
329
[
2016
50
1
1
18-26
]
[
2009
]
[
2011
91
165-76
]
[
2008
56
^s2
^s2
2
207-14
]
[
1971
25
133-44
]
[
2008
56
^s2
^s2
2
189-206
]
[
2012
60
^s3
^s3
3
257-73
]
[
2013
448
228-39
]
[
2011
]
[
2008
155
121-33
]
[
2015
34
3
3
807-21
]
[
1970
1
263-86
]
[
2010
157
1899-915
]
[
2010
1
32
]
[
2015
]
[
1993
1993
495-502
]
[
2014
2
1
1
17
]
[
2014
161
939-51
]
[
2014
161
755-67
]
[
1984
15
45-54
]
[
1993
117
1
1
1-22
]
[
2010
23
91-103
]
[
2012
60
^s3
^s3
3
43-51
]
[
2008
211
11
11
1719-28
]
[
2016
64
1
1
249-61
]
[
2005
138
4-5
]
[
MigraMar.
2019
]
[
2010
107
21
21
9707-11
]
[
2014
]
[
2019
14
3
3
]
[
2016
11
1
1
]
[
2011
6
3
3
]
[
2018
80
]
[
2008
]
[
2009
]
[
1994
30
305-50
]
[
2012
60
^s3
^s3
3
15-32
]
[
2018
63
]
[
2005
138
10-4
]
[
2017
100
12
12
1603-8
]
[
2008
3
]
[
2008
56
^s2
^s2
2
113-32
]
[
SINAC.
2013
102
]
[
2012
60
^s3
^s3
3
347-62
]
[
2013
726
81-94
]
[
2009
86
]
[
2015
29
4
4
1186-97
]
[
2003
100
17
17
9884-8
]
[
2009
1
175-95
]