Natural Resources in 2020, 2030, and 2040
Natural Resources in 2020, 2030, and 2040 :: Implications for the United States / A publication of the National Intelligence Council [Recurso electrónico] PDF .-- : Office of the Director of National Intelligence , July 2013 .-- Recurso online, 112 p.
Prospectiva Recursos naturales
Estados Unidos de América
Prospectiva Recursos naturales
Estados Unidos de América
