2631-2484 2631-2484 S2631-24842020000200085 10.32719/26312484.2020.33.5 00 06 2020 00 06 2020 33 85 101

2018 2016 46 46 2016 2019 2011 2009 2003 Ecuador 2008 2010 2007 2012 1997 2007 2011 2017 2011 109 109 2012