0121-246X 0121-246X S0121-246X2021000200006 10.17533/udea.rfo.v33n2a1 Colombia Colombia 00 12 2021 00 12 2021 33 2 6 8 1 2020 56 4 4 189 2 United States of America. Senate 2016 1096 3 2019 199 9 9 1061-5 4 2019 22 6 6 739-49 5 2021 31 4 4 483-5 6 2020 34 ^s2 ^s2 2 7 2017 3 5 5 1-6