0257-4314 0257-4314 S0257-43142021000400017 Cuba 00 00 2021 00 00 2021 40

2016 2018 15 67 67 24-31 2019 1-8 2016 a 2016 b 2018 ISO 21001 2019 2014 2018 2010 1 1 30 Manual Atalaya 2019 2017 1 2 2 9-12 2017 119-48 2017 17 2 2 1-18 2017 14 33 33 102-16