Yazar
David Cobia
9 cilt bulundu.
David W. Cobia · U.S. Dept. of Agriculture, Agricultural Cooperative Service
216 sayfa · 1982
Cooperative Agriculture / Finance / Cooperative societies / Equity / Agricultural cooperative credit associations
David Cobia · North Dakota State University of Agriculture and Applied Science
59 sayfa · 1975
Kategori yok
David W. Cobia · Dept. of Agricultural Economics, North Dakota Agricultural Experiment Station, North Dakota State University
37 sayfa · 1980
Grain / Transportation
David W. Cobia · Dept. of Agricultural Economics, Agricultural Experiment Station, North Dakota State University
126 sayfa · 1986
Unit trains / Transportation / Freight / Grain / Rates
David Zimmer, David W. Cobia · North Dakota State University of Agriculture and Applied Science
73 sayfa · 1978
Sunflowers