2223-1773 2223-1773 S2223-17732022000100148 10.34982/2223.1773.2022.v7.no1.011 Ecuador 00 04 2022 00 04 2022 7 1 148 158

2007 2018 15 38 38 2019 23 249 249 1941 2017 12 3 3 1-18 2017 2017 32 3-6 2016 5 2 2 77-82 2014 2019 2002 2001 10 1 1 49-68