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3Research in organic farming in the Nordic countries with specific focus on methodological problems Research in organic farming in the Nordic countries with specific focus on methodological problemsby Lund, V., FAO, Rome (Italy). Regional Office for Europe eng, SREN Workshop on Research Methodologies in Organic Farming eng 30 Sep - 3 Oct 1998 1 Frick (Switzerland), Zanoli, R. (ed.), Krell, R. (ed.), Research Inst. of Organic Agriculture, Frick (Switzerland) eng
Published 1999Texto bibliotecaFAO IT