1990-8644 1990-8644 S1990-86442022000500106 Cuba 00 10 2022 00 10 2022 18 88 106 115

2020 2020 XIX 1 1 61-70 2016 Fifth Edition 2021 23 2 2 155-65 2020 1-156 1988 Sixth Edition 2019 48 2 2 2017 2018 Universidad de Pinar del Río 2021 2021 2016 24 24 228-50 2022 24 1 1 3