1870-2147 1870-2147 S1870-21472021000100182 10.35487/rius.v15i47.2021.763 Mexico Cuba 00 06 2021 00 06 2021 15 47 182 207

7 18 18 127-47 15 30 30 51-60 2018 2018 171-94 2014 2019 2019 59 34 34 2019 9 2 2 39-61 3 3 3 81-100 4 7 7 139-71 23 44 44 2009