2007-5057 2007-5057 S2007-50572021000200096 10.22201/fm.20075057e.2021.38.21356 Colombia Colombia Colombia 00 06 2021 00 06 2021 10 38 96 97 1 1981 2 99-113 2 2016 18 3 3 51-3 3 2007 114 1 1 94-8 4 2015 29 4 4 235