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kenneth d duft
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Retail Fertilizer Marketing in the Pacific Northwest
Kenneth D. Duft, Washington State University. College of Agriculture. Research Center · Yayınevi bilinmiyor
41 sayfa · 1977
Fertilizers
The Prospects for an Electrical G & T Cooperative Fueled by Straw Produced in Eastern Washington
Ken D. Duft, Walter Butcher, Washington State University. Department of Agricultural & Resource Economics · Yayınevi bilinmiyor
45 sayfa · 2002
Electric power