0257-4314 0257-4314 S0257-43142023000300018 Ecuador Cuba 00 12 2023 00 12 2023 42 3

2002 2006 2009 2008 Fundación Sadosky 2016 2011 2007 2 16 16 63-8 2021 41 41 50-62 2020 2016 7 12 12 8-10 2004