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4Managing pests and pesticides in small scale agriculture Managing pests and pesticides in small scale agricultureby 117156 Schoubroeck, F.H.J. van, 77091 Herens, M., 85330 Lauw, W. de, 87787 Louwen, J.M., 102259 Overtoom, T., 4424 Centre for Development Work the Netherlands, Wageningen (Países Bajos)
Published 1989bibliotecaIICA