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keyword: Community of Portuguese Language Countries – 4 free books.
These books are included in the Directory of Open Access Books. This means that they have been peer-reviewed and are of interest to scholars.
Review of Invertebrate Biological Control Agents Introduced into Europe
Urs Schaffner and Esther Gerber
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Fertilizer use optimization in sub-Saharan Africa
Charles S. Wortmann and Keith Sones
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Fertilizer use optimization in sub-Saharan Africa
Charles S. Wortmann and Keith Sones
AVAILABLE!
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Review of Invertebrate Biological Control Agents Introduced Into Europe
Esther Gerber and Urs Schaffner
AVAILABLE!
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