1990-8644 1990-8644 S1990-86442021000400345 Colombia 00 08 2021 00 08 2021 17 81 345 353

2012 65 65 20-9 2021 2015 2017 3-14 2007 2015 2016 43 1 1 65-8 2021 232 253-74 2020 4 2 2 303-13 2019 2002 14 14 5-39 2021 5 5 1998 2006 2007 2004 2017