Rattan Lal. (1990). Soil erosion in the tropics: Principles and management. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoRattan Lal. Soil Erosion in the Tropics: Principles and Management. New York: McGraw-Hill, 1990.
Deismireacht MLARattan Lal. Soil Erosion in the Tropics: Principles and Management. New York: McGraw-Hill, 1990.
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