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1Pesticides rice productivity, and farmers' health an economic assessment Pesticides rice productivity, and farmers' health an economic assessmentby 112879 Rola, A.C., Pingali, Prabhu L 105493, 12955 IRRI, Manila (Filipinas), 21223 World Resources Institute, Washington, D.C. (EUA)
Published 1993bibliotecaIICA -
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