2007-7890 2007-7890 S2007-78902021000700054 10.46377/dilemas.v9i1.2889 Ecuador Ecuador Ecuador 00 12 2021 00 12 2021 9 1

1. 2006 2. 2016 3. 2014 1 4-8 4. 2001 5. 2001 6. 2015 13 159-68 7. 2008 8. 1999 15 2 2 237-66 9. 2019 E17 E17 25-31 10. 2018 93 6 6 582