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4Farmers' research in practice: lessons from the field Farmers' research in practice: lessons from the fieldby van Veldhuizen, L. (ed.), Centre for Research and Information on Low-External-Input and Sustainable Agriculture, Leusden (Netherlands) eng, Waters-Bayer, A. (ed.), Ramierez, R. (ed.), Johnson, D.A. (ed.), Thompson, J. (ed.)
Published 1997Texto bibliotecaFAO IT