0138-6557 0138-6557 S0138-65572021000200033 Ecuador Ecuador 00 06 2021 00 06 2021 50 2

1 2019 58 2 2 1-10 2 2015 21 26 26 8125-31 3 2014 106 8 8 556 4 2016 3 1 1 10-7 5 2015 48 2 2 55-60 6 2020 2020 5 5 1-3 7 2017 21 3 3 282-6 8 2018 5 2 2 29-32 9 2018 372-5