1028-9933 1028-9933 S1028-99332021000500002 Cuba Cuba 00 10 2021 00 10 2021 100 5

1 2018 32 2 2 1-10 2 2018 32 4 4 3 2015 2015 Holguín 4 CPICM 2019 5 CPICM 2019 6 Ministerio de Educación Superior 2019 7 2019 38 3 3 8 2016 32 3 3 1-12 9 2008 17 4 4 1-14