1659-4932 1659-4932 S1659-49322021000100004 10.22458/rna.v12i1.3534 Costa Rica 00 06 2021 00 06 2021 12 1

2019 57 1-17 2018 2016 2020 41 11 11 23-38 2018 48 1 1 255-82 2019 2016 19 36 36 227-39 2018 15 35 35 1-25 2020 27 1 1 27-34 2015 3 9-28 2018 2020 2020 39 1 1 63-9 2018 2016 2018 16 1 1 2016 2021 2017 47 215-33 2019 13 1-17 2020 290-8 2019 2019 1-19 2020 20 1 1 37-44 2018 2018 2017 Organización de las Naciones Unidas 2020 2020 41 18 18 18-24 2006 17 196-219 2020 38 2 2 213-32 2020 2 55 55 43-57 2020 11 2 2 97-106 2018 34 3 3 482-9 2017 20 39 39 13-24 2019 17 2 2 147-85 2002 2019 33 3 3 1-15 1993 1 2 2 165-78 2020 2020