environmental aspects of agricultural chemicals Kitapları
Bu türde 3 kitap

Environmental quality and food supply
Symposium on Environmental Quality and Food Supply Washington, D.C. 1972.
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Review of the Administration's pesticide reform proposal
United States. Congress. House. Committee on Agriculture. Subcommittee on Department Operations and Nutrition.
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Simpósium Agroquímicos, Aplicación y Efectos
Simpósium Agroquímicos: Aplicación y Efectos (Universidad Autónoma de Sinaloa)
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