1990-8644 1990-8644 S1990-86442023000600095 Ecuador 00 12 2023 00 12 2023 19 95 95 103

2019 70 3 3 235-48 2021 2019 34 2 2 159-68 2022 2021 27 230-45 2016 1 1 1 2020 2023 19 91 91 280-5 2011 57-64 2020 260 2013 18 6 6 564-9