0187-893X
0187-893X
S0187-893X2020000400086
10.22201/fq.18708404e.2020.4.75669
Costa Rica
Costa Rica
00
00
2020
00
00
2020
31
4
86
100
[
2006
]
[
1966
43
6
6
329-30
]
[
2004
81
5
5
644
]
[
2015
]
[
1958
80
18
18
4979-87
]
[
2016
8
]
[
2014
]
[
2019
10
8
8
2424-8
]
[
2010
]
[
1989
66
8
8
659-61
]
[
2007
84
11
11
1878-81
]
[
2013
19
16
16
5149-55
]
[
1959
]
[
2018
95
3
3
376-83
]
[
1991
91
2
2
165-95
]
[
2017
22
13-21
]
[
2006
]
[
1998
75
10
10
1293-4
]
[
1994
66
1077-184
]
[
2008
85
1
1
83-6
]
[
2007
]
[
2019
4
1
1
48-57
]
[
1984
106
4
4
855-60
]
[
1985
107
5
5
1174-7
]
[
2016
18
30
30
20615-26
]
[
2015
]
[
2003
80
6
6
679-90
]
[
2017
28
4
4
232-7
]
[
2014
19
167-70
]
[
2001
6
1
1
36-40
]
[
1991
24
8
8
1741-5
]
[
2018
84
8
8
4695-703
]
[
2016
1
3
3
1-6
]
[
2014
]
[
2013
46
4
4
1029-38
]
[
1993
70
12
12
985-7
]