1688-8626 1688-8626 S1688-86262020000100095 10.18861/ic.2020.15.2.3024 Ecuador Ecuador 00 00 2020 00 00 2020 15 2 95 113

1999 2011 2009 2012 2018 2003 1992 2016 Uruguay 2004 2008 2008 2018 6 1 1 79-105