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The changes in productivity of production factors in commercial farms in Poland in 2004 and 2012
Nowak, Anna, (2015)
Poland's agriculture : serious competitor or Europe's poorhouse? ; survey results on farm performance in selected Polish voivodships and a comparison with German farms
Petrick, Martin, (2001)
Changes in the productivity of agriculture after Polish accession to the European Union
Baran, Joanna, (2014)