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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