0124-6127 0124-6127 S0124-61272023000200223 10.17151/difil.2023.24.43.10 Ecuador Ecuador 00 12 2023 00 12 2023 24 43 223 241

2012 1 1 1 9-45 2016 2 29 29 2020 1993 1-8 2010 5 3 3 66-92 2014 1980 2010 5 1 1 137-60 2006 2017 1992 24-6