2007-4387 2007-4387 S2007-43872020000100401 10.22201/iij.24487937e.2020.14.14916 Argentina 00 12 2020 00 12 2020 14 401 411 1997 41 2000 38 2011 2008 193 2012 67 353-85 5 5 120 1991 25 77 2014 56