0257-4314 0257-4314 S0257-43142022000400013 Cuba Ecuador Cuba 00 00 2022 00 00 2022 41

2019 16 16 40-56 2016 87-88 87-88 20-7 2020 39 3 3 2018 VII 6 6 2016 25 4 4 55-63 2013 21 3 3 108-20 Unesco 2018 Córdova, Argentina 2018 1 1 2019 40 33 33 2016