0257-4314 0257-4314 S0257-43142023000100005 Mexico Cuba Cuba 00 04 2023 00 04 2023 42 1

2021 2017 8 8 8 166-75 2007 2014 1 2 2 115-29 2021 13 2 2 33-46 2014 58 58 19-31 2021 2020 18 2 2 430-44 Ministry of Education 2019 Ministry of Education 2021 Naciones Unidas 2017 Naciones Unidas 2019 2015 13 19 19 165-92 Unesco 2014