2528-7907 2528-7907 S2528-79072022000300049 10.36097/rsan.v0i51.2119 Ecuador Ecuador Ecuador 00 11 2022 00 11 2022 1 51 49 61

2007 13 1 1 210-30 2020 29 2 2 2008 2020 2020 11 2812 2812 2021 30 4 4 2019 28 3 3 2021 15 3 3 37-52 2020 29 3 3 2018 308-20 2018 24 24 131-45 2019 74 1056 a 1070. 2017 8 1 1 155-65 2019 7 13 13 92-100 2020 29 3 3 2017 8 1 1 75-85. 2018 27 19-42 2001 78 3 3 533-54 2018 26 54 54 101-10 2017