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Regional Variations in Prices Received by Farmers 1925-34 for 10 Selected Commodities
A. F. Gans, United States. Farm Credit Administration, R. F. Hale · Yayınevi bilinmiyor
26 sayfa · 1939
Agriculture
The Origins of Maritime Radio
R. F. Pocock, Gerald Reginald Mansel Garratt · Yayınevi bilinmiyor
76 sayfa · 1972
Technology & Engineering
Human Nutrition
R. F. Mottram, Vernon Henry Mottram · Food & Nutrition Press, Incorporated
206 sayfa · 1979
Health & Fitness