Daudu, C. (2008). Organic matter sources, soil fertility and productivity: Evaluation of different sources of organic matter on soil fertilty and productivity. Germany: VDM Verlag Dr. Muller.
Trích dẫn kiểu ChicagoDaudu, Christogonus. Organic Matter Sources, Soil Fertility and Productivity: Evaluation of Different Sources of Organic Matter On Soil Fertilty and Productivity. Germany: VDM Verlag Dr. Muller, 2008.
Trích dẫn MLADaudu, Christogonus. Organic Matter Sources, Soil Fertility and Productivity: Evaluation of Different Sources of Organic Matter On Soil Fertilty and Productivity. Germany: VDM Verlag Dr. Muller, 2008.
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