2616-7964 2616-7964 S2616-79642023000200971 10.33996/revistahorizontes.v7i28.567 Ecuador 00 02 2023 00 02 2023 7 28 971 978

1983 2019 15 68 68 83-8 2019 2012 2018 FLN 2014 2014 2014 2015 2006