1990-8644 1990-8644 S1990-86442023000400304 Ecuador Ecuador Ecuador 00 08 2023 00 08 2023 19 93 304 313

2020 2016 228-45 2019 64-88 2020 14 2 2 153-75 2013 22 43 43 131-47 2019 22 2 2 229-51 2006 4 3 3 445-68 2015 51 225-45 2016 652-77 2004 125-57