1990-8644 1990-8644 S1990-86442020000400307 Cuba 00 08 2020 00 08 2020 16 75 307 315

1990 2019 2018 2015 112 2020 2019 2018 2019 United States. Center for Public Integrity 2019 United States. Deparment of Defense 2019 2018