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Development and economic significance of forest certification : the case of FSC in Bolivia
Nebel, Gustav, (2005)
Development and economic significance of forest certification: the case of FSC in Bolivia
Hedeskovbrug og regionaløkonomi : analyse af private plantagers socioøkonomiske betydning for en midtjysk hederegion, 1866 - 1929
Helles, Finn, (1984)