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Effekten av den statliga rationaliseringspolitiken
Tiderius, Gert, (1977)
Inflationary impact of Department of Agriculture paperwork : hearing before the Joint Economic Committee, Congress of the United States, Ninety-sixth Congress, second session, March 26, 1980
(1980)
The farm bloc
MacCune, Wesley, (1968)
Bases gerais para a definicao de uma política agricola
Portugal, Vaz, (1979)