2073-6061 2073-6061 S2073-60612023000100013 Ecuador 00 06 2023 00 06 2023 17 1

2020 4 1 1 39-45 2021 4 2 2 223-34 2000 2014 30 133 133 2021 2012 1 1 1 73-94 2009 15 15 57-79 2017 38 53 53 2015 117 117 157-75 2014 16 27 27 37-156