1409-4142 1409-4142 S1409-41422020000300042 Costa Rica Costa Rica Costa Rica Costa Rica Costa Rica Costa Rica Costa Rica Costa Rica Costa Rica 00 04 2020 00 04 2020 22 42 48

1 2020 2 2020 3 2020 4 2020 1-13 5 2020 6 2020 1-21 7 2017 38 2739-86