State of the World
by Lester Russell Brown, Christopher Flavin, Sandra Postel, Linda Starke · May 1985
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Economic policyEconomic conditionsEconomic historyECONOMICSECONOMYHistoria E Situacao EconomicaNatural resourcesConservation of natural resourcesInternational economic relationsInternational relationsCivilization, modern, 20th century