1990-8644 1990-8644 S1990-86442022000500151 Cuba 00 10 2022 00 10 2022 18 88 151 157

2021 5 2 2 1-18 2012 36 76 76 159-81 2021 2015 2019 17 2 2 183-92 2018 455-69 2020 2 3 3 167-74 2016 2016 12 55 55 32-9 2021 17 4 4 102-19 2018 19 2016 12 54 54 56-62 2021 19 3 3 2018 147 Ministerio de Educación Superior 2018 2019 17 3 3 163-74 2013 2015 2020 18 2 2