books by subject
Pest Control
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Economics:: A Student's Guide
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Modelling Crop-weed Interactions
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How to Get Rid of Garden Pests and Diseases: An illustrated identifier and practical problem solver
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Progress on Pest Management in Field Vegetables: Proceedings of the Cec/Iobc Experts' Group Meeting, Held in Rennes, from 20th to 22nd November 1985.
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