0034-7744
0034-7744
S0034-77442020000200573
10.15517/rbt.v68i2.38876
Panamá
Panama
USA
Brasil
Panamá
00
06
2020
00
06
2020
68
2
573
579
[
2016
45
5
5
1107-14
]
[
2017
60
1-97
]
[
2017
4272
2
2
285-90
]
[
2018
20
2
2
23-57
]
[
2018
0608
1-17
]
[
2014
]
[
1990
101
2
2
99-108
]
[
2011
]
[
2020
36
1-2
1-2
5-427
]
[
1996
327-57
]
[
R Core Team
2015
]
[
1972
83
239-47
]
[
1990
29
1-149
]
[
1988
19
1-18
]
[
1989
80
437-42
]