2306-9155 2306-9155 S2306-91552020000200327 Cuba 00 12 2020 00 12 2020 14 2 327 353

2019 40 1 1 14-23 2008 29 54 54 147-54 2017 19 65 65 415-31 2018 8 34 34 109-37 2019 21 1 1 70-85 2016 15 2 2 287-300 2017 2nd 2011 8va 2015 14th 2017 6 1 1 17-29 1959 2nd International Standard Organization 2015 International Standard Organization 2015 2018 11th 2018 2015 8th 2014 11th 2017 16 3 3 271-8 1911 2018 39 3 3 226-36